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	<title>ギア | エアガン・モデルガンの買取専門店 ミリタリーグッズ.comのブログ</title>
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		<title>電動ガンを徹底解説！パーツ別に初心者でもわかりやすく紹介【メカボックス・基礎編】</title>
		<link>https://www.militarygoods-jp.com/blog/32725/</link>
					<comments>https://www.militarygoods-jp.com/blog/32725/#respond</comments>
		
		<dc:creator><![CDATA[Sierra]]></dc:creator>
		<pubDate>Wed, 22 Oct 2025 02:26:45 +0000</pubDate>
				<category><![CDATA[エアガン買取情報局]]></category>
		<category><![CDATA[トイガンメンテナンスガイド]]></category>
		<category><![CDATA[ギア]]></category>
		<category><![CDATA[スイッチ]]></category>
		<category><![CDATA[ピストン]]></category>
		<category><![CDATA[メカボックス]]></category>
		<category><![CDATA[電動ガン]]></category>
		<guid isPermaLink="false">https://www.militarygoods-jp.com/blog/?p=32725</guid>

					<description><![CDATA[電動ガンでよく出てきがちな専門的な言葉を現役ショップ店員が解説！ むずかしい専門用語でも、初めての方向けに優しく解説するので大丈夫。自分に合ったモデル選びがぐっとスムーズになりますよ！ 今回はメカボックスの基本構造や主要 [&#8230;]]]></description>
										<content:encoded><![CDATA[
<p>電動ガンでよく出てきがちな専門的な言葉を現役ショップ店員が解説！</p>



<p>むずかしい専門用語でも、初めての方向けに優しく解説するので大丈夫。<br>自分に合ったモデル選びがぐっとスムーズになりますよ！</p>



<p>今回は<strong>メカボックスの基本構造や主要パーツの役割を初心者の方向けに解説！</strong></p>




  <div id="toc" class="toc tnt-number toc-center tnt-number border-element"><input type="checkbox" class="toc-checkbox" id="toc-checkbox-2" checked><label class="toc-title" for="toc-checkbox-2">目次</label>
    <div class="toc-content">
    <ol class="toc-list open"><li><a href="#toc1" tabindex="0">メカボックスとは？</a></li><li><a href="#toc2" tabindex="0">電動ガンがBB弾を発射するまでの流れ</a></li><li><a href="#toc3" tabindex="0">主要パーツの役割を解説</a></li><li><a href="#toc4" tabindex="0">メカボックスを分解する前に注意すること</a></li><li><a href="#toc5" tabindex="0">実際にあけてみる</a></li><li><a href="#toc6" tabindex="0">触ってみたいけど不安&#8230;</a></li><li><a href="#toc7" tabindex="0">よくあるQ&amp;A</a></li><li><a href="#toc8" tabindex="0">まとめ</a></li></ol>
    </div>
  </div>

<h2 class="wp-block-heading" id="1"><span id="toc1">メカボックスとは？</span></h2>



<p>電動ガンの本体ともいえる部分で<strong>「BB弾を発射する仕組み」</strong>そのもの。</p>



<p>モーターの力を変換して空気を圧縮、BB弾を発射するまでの一連の動作を担います。</p>



<ul class="wp-block-list is-style-blank-box-blue has-border is-style-numeric-list-step has-list-style">
<li>トリガー(スイッチ)で作動してモーターが回転</li>



<li>その動きがギアを介してピストンに伝わる</li>



<li>ピストンが後退するとシリンダー内に空気が溜る</li>



<li>同時にノズルがBB弾をチャンバーへ送り込む</li>



<li>ギアが一定量回転したところでピストンが解放</li>



<li>スプリングの力で圧縮された空気が押し出される</li>



<li>BB弾が発射される</li>
</ul>



<p>つまり、メカボックスは<span class="marker-under"><strong>「モーターの回転を空気の圧力に変換し、BB弾を飛ばす」</strong></span>という一連の動作を担っており、まさに<strong><span class="marker-under-red">電動ガンの“心臓部”</span></strong>と言えます。</p>



<h3 class="wp-block-heading">メカボックスの3つの要素</h3>



<p>メカボックスは大きく分けて<strong><span class="marker-under-red">「伝達」</span></strong>、<strong><span class="marker-under-blue">「発射」</span></strong>、<strong><span class="marker-under">「制御」</span></strong>この<strong>3つの要素</strong>でできています。</p>



<ul class="wp-block-list">
<li><strong><span class="marker-under-red">「伝達」</span></strong>&#8230;モーターの回転をほかのパーツに伝える。</li>



<li><strong><span class="marker-under-blue">「発射」</span></strong>&#8230;ピストンやスプリングを使ってBB弾を飛ばす。</li>



<li><strong><span class="marker-under">「制御」</span></strong>&#8230;トリガーやスイッチでモーターを操作する。</li>
</ul>



<p>これら3つの仕組みがうまく<strong>連携しながらBB弾を発射する動作</strong>を完成させています。</p>



<p>また、動きを補助するパーツもあり、ひとつの精密な仕組みとして成り立っています。</p>



<h4 class="wp-block-heading">1. <span class="marker-under-red">伝達（ギア）</span></h4>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img fetchpriority="high" decoding="async" width="820" height="598" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechaboxR-820x598.jpg" alt="" class="wp-image-33688 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechaboxR-820x598.jpg 820w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechaboxR-615x449.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechaboxR-768x560.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechaboxR.jpg 1024w" sizes="(max-width: 820px) 100vw, 820px" /></figure><div class="wp-block-media-text__content">
<p>モーターの回転を発射する力へと変換しているのが<strong><span class="marker-under-red">「ギア」</span></strong>です。</p>



<p>一見どれも同じに見えてしまいそうですが、実はギアに種類があり、それぞれ違う役割を持っています。</p>
</div></div>



<p>メカボックス内部では3つのギアが連動し、<strong>モーターの回転をピストンの直線運動へ変換</strong>します。ギアの動きが滑らかだと、ピストン動作や給弾タイミングが安定し、発射のキレやレスポンスが向上します。</p>



<hr class="wp-block-separator has-alpha-channel-opacity"/>



<h4 class="wp-block-heading"><span class="marker-under-blue">2. 発射（ピストン・シリンダー・スプリング）</span></h4>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="820" height="598" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechaboxB-820x598.jpg" alt="" class="wp-image-33689 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechaboxB-820x598.jpg 820w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechaboxB-615x449.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechaboxB-768x560.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechaboxB.jpg 1024w" sizes="(max-width: 820px) 100vw, 820px" /></figure><div class="wp-block-media-text__content">
<p>BB弾を実際に飛ばす力を生み出しているのが<strong><span class="marker-under-blue">「ピストン」</span></strong>と<strong><span class="marker-under-blue">「シリンダー」</span></strong>です。</p>
</div></div>



<p><strong><span class="marker-under-blue">ピストン</span></strong>は<strong><span class="marker-under-red">ギア</span></strong>で後退し、スプリングの反発で前進して空気を圧縮し、BB弾を発射します。<br>この時、<strong>「タペットプレート」</strong>というパーツが給弾タイミングを制御し各パーツが正確に連動させます。</p>



<hr class="wp-block-separator has-alpha-channel-opacity"/>



<h4 class="wp-block-heading"><span class="marker-under">3. 制御（スイッチ・トリガー）</span></h4>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="820" height="598" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechaboxT-1-820x598.jpg" alt="" class="wp-image-33691 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechaboxT-1-820x598.jpg 820w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechaboxT-1-615x449.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechaboxT-1-768x560.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechaboxT-1.jpg 1024w" sizes="(max-width: 820px) 100vw, 820px" /></figure><div class="wp-block-media-text__content">
<p>トリガーは<strong><span class="marker-under">「スイッチ」</span></strong>を操作してモーターへの電流をコントロールします。</p>



<p>一般的なメカボックスでは、金属の接点を押し込むことで通電させる仕組みになっています。</p>
</div></div>



<p>通電させ続けるとフルオートになり、セミオートでは<strong>「カットオフレバー」</strong>が作動して1回のトリガー操作で1発だけ発射されるようになっています。</p>



<p>この仕組みによって、トリガーの動きと発射がしっかり同期し、<strong>違和感のない射撃動作</strong>が可能になっています。</p>



<h4 class="wp-block-heading">メカボックスのまとめ</h4>



<ul class="wp-block-list is-style-border-solid has-border is-style-icon-list-check-valid has-list-style is-style-bottom-margin-5em has-bottom-margin">
<li>メカボックスは電動ガンの心臓部で、モーターの回転を空気の力に変換している。</li>



<li>メカボックスは<strong><span class="marker-under-red">「伝達」</span></strong>、<strong><span class="marker-under-blue">「発射」</span></strong>、<strong><span class="marker-under">「制御」</span></strong>の3つの要素で成り立っている。</li>



<li><strong><span class="marker-under-red">「伝達」</span></strong>&#8230;モーターの回転をほかのパーツに伝える。</li>



<li><strong><span class="marker-under-blue">「発射」</span></strong>&#8230;ピストンやスプリングを使ってBB弾を飛ばす。</li>



<li><strong><span class="marker-under">「制御」</span></strong>&#8230;トリガーやスイッチでモーターを操作する。</li>
</ul>



<h2 class="wp-block-heading"><span id="toc2">電動ガンがBB弾を発射するまでの流れ</span></h2>



<p>セミオート射撃時の動作を順に追いながら、電動ガンの発射メカニズムを見ていきましょう。</p>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="820" height="598" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/trigger-1-820x598.jpg" alt="" class="wp-image-33692 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/trigger-1-820x598.jpg 820w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/trigger-1-615x449.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/trigger-1-768x560.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/trigger-1.jpg 1024w" sizes="(max-width: 820px) 100vw, 820px" /></figure><div class="wp-block-media-text__content">
<ul class="wp-block-list">
<li>トリガーを引いてスイッチ動作させます</li>
</ul>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="820" height="598" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/gear-820x598.jpg" alt="" class="wp-image-33693 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/gear-820x598.jpg 820w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/gear-615x449.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/gear-768x560.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/gear.jpg 1024w" sizes="(max-width: 820px) 100vw, 820px" /></figure><div class="wp-block-media-text__content">
<ul class="wp-block-list">
<li>モーターがピニオンギアを回します</li>



<li>次にベベルギアが回転</li>



<li>そこからスパーギアが回転</li>



<li>最後にセクターギアへと伝達</li>
</ul>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="820" height="598" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechabox2-820x598.jpg" alt="" class="wp-image-33694 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechabox2-820x598.jpg 820w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechabox2-615x449.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechabox2-768x560.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/mechabox2.jpg 1024w" sizes="(max-width: 820px) 100vw, 820px" /></figure><div class="wp-block-media-text__content">
<ul class="wp-block-list">
<li>セクターギアがスプリングを圧縮しながらピストンを後退させます</li>



<li>この時タペットプレートも後退させます<br>タペットプレートはノズルを後退させ、BB弾を装填します。</li>
</ul>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="820" height="598" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/CUTOFFLV-820x598.jpg" alt="" class="wp-image-33724 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/CUTOFFLV-820x598.jpg 820w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/CUTOFFLV-615x449.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/CUTOFFLV-768x560.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/CUTOFFLV.jpg 1024w" sizes="(max-width: 820px) 100vw, 820px" /></figure><div class="wp-block-media-text__content">
<ul class="wp-block-list">
<li>ギアが一定量回転すると、カットオフレバーが作動してスイッチの電流を遮断。モーターの動作を停止させます。</li>
</ul>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutoffrever_howitworks.jpg" alt="カットオフレバーの仕組み" class="wp-image-33248 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutoffrever_howitworks.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutoffrever_howitworks-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutoffrever_howitworks-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutoffrever_howitworks-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutoffrever_howitworks-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutoffrever_howitworks-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutoffrever_howitworks-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<ul class="wp-block-list">
<li>カットオフレバーはスイッチの接点を物理的に離すことでモーターの動きを止めます。</li>
</ul>
</div></div>



<div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex">
<div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow">
<figure class="wp-block-gallery has-nested-images columns-1 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex">
<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33251" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0290.jpg" alt="シリンダーに空気がたまっている" class="wp-image-33251" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0290.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0290-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0290-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0290-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0290-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0290-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0290-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>



<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33250" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0293.jpg" alt="ピストンと空気の動き" class="wp-image-33250" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0293.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0293-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0293-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0293-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0293-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0293-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0293-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>
</figure>
</div>



<div class="wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow">
<p>このころには<span class="marker-under-blue">シリンダー</span>内は空気で満たされています。<br><br>圧縮されていた<span class="marker-under-red">スプリング</span>が一気に解放され、ピストンが前方へ勢いよく押し出されます。<br><span class="marker-under">ピストンがシリンダー内の空気を押し出す</span>ことで、内部の空気がノズルを通ってBB弾に伝わり、圧力によってBB弾がチャンバーから発射されます。</p>



<p>※安全のためスプリングは外してあります。</p>
</div>
</div>



<p>つまり、電動ガンの発射は<br>「トリガーを引く→モーターが回転→ギアが連動→ピストンが動く→空気でBB弾を飛ばす」<br>という一連の流れによって成立しており、その装置こそがメカボックスなんです。</p>



<h2 class="wp-block-heading"><span id="toc3">主要パーツの役割を解説</span></h2>



<p>メカボックスの中では、複数のパーツが緻密に連動しながらBB弾の発射を実現しています。ここでは、その中でも特に重要な<strong>「ギア」「ピストン」「スイッチ」</strong>それぞれの役割を見ていきましょう。</p>



<h3 class="wp-block-heading">ギア｜伝達装置</h3>



<p>メカボックスの中心的な構造は、複数のギアが噛み合うことで成り立っています。<br>主に「ベベルギア」「スパーギア」「セクターギア」という3種類が組み合わさり、モーターの回転をピストンの直線運動へと変換しています。</p>



<div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex">
<div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow">
<figure class="wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex">
<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33255" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_front.jpg" alt="ベベルギアの表側の見た目" class="wp-image-33255" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_front.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_front-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_front-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_front-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_front-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_front-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_front-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>



<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33254" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_behind.jpg" alt="ベベルギアの裏側の見た目" class="wp-image-33254" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_behind.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_behind-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_behind-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_behind-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_behind-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_behind-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/bebel_behind-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>
</figure>
</div>



<div class="wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow">
<p>ベベルギアはモーターの小さなピニオンギアと垂直に噛み合い、<strong>回転方向を変えてスパーギアへ力を伝えます</strong>。</p>
</div>
</div>



<div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex">
<div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow">
<figure class="wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex">
<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33253" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_front.jpg" alt="スパーギアの表側の見た目" class="wp-image-33253" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_front.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_front-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_front-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_front-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_front-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_front-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_front-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>



<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33258" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_behind.jpg" alt="スパーギアの裏側の見た目" class="wp-image-33258" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_behind.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_behind-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_behind-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_behind-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_behind-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_behind-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/spar_behind-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>
</figure>
</div>



<div class="wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow">
<p>スパーギアは中継役として回転を滑らかにセクターギアへと伝達します。</p>
</div>
</div>



<div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex">
<div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow">
<figure class="wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex">
<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33257" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_front.jpg" alt="セクターギアの表側の見た目" class="wp-image-33257" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_front.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_front-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_front-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_front-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_front-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_front-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_front-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>



<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33256" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_behind.jpg" alt="セクターギアの裏側の見た目" class="wp-image-33256" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_behind.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_behind-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_behind-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_behind-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_behind-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_behind-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/sector_behind-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>
</figure>
</div>



<div class="wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow">
<p>セクターギアは歯が円周の一部にだけ刻まれており、その動きで<strong>ピストンを後退・解放させる重要な役割</strong>を担います。</p>
</div>
</div>



<p>これら3枚のギアが噛み合って動くことで、<strong>モーターの回転が射撃動作に変換</strong>され、電動ガンは安定した駆動を実現しています。</p>



<h3 class="wp-block-heading">ピストン｜発射装置</h3>



<p>ギアが回転の力を伝える役割を持つのに対し、実際にBB弾を飛ばしているのはピストンを中心とした空気圧の仕組みです。<br>この部分では、「シリンダー」「スプリング」「ノズル」「タペットプレート」といった複数の部品が連携しています。</p>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0296.jpeg" alt="シリンダー全体" class="wp-image-33259 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0296.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0296-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0296-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0296-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0296-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0296-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0296-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p>シリンダーは<strong>空気をためる容器</strong>のような部品です。</p>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0297.jpeg" alt="ピストン全体" class="wp-image-33260 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0297.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0297-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0297-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0297-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0297-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0297-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0297-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p>ピストンはその中の<strong>空気を押し出す役割</strong>を担います。</p>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0300.jpeg" alt="ピストンを押し出すスプリング" class="wp-image-33264 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0300.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0300-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0300-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0300-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0300-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0300-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0300-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p>スプリングは<strong>ピストンを前進させる力を生み出し</strong>、解放された瞬間に空気が一気に押し出されます。</p>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0299.jpeg" alt="ノズル" class="wp-image-33262 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0299.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0299-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0299-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0299-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0299-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0299-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0299-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p>ノズルはその空気をバレルへ導くと同時に、マガジンから送られてきたBB弾をチャンバーに押し込む働きをします。</p>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0298.jpeg" alt="タペットプレート" class="wp-image-33261 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0298.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0298-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0298-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0298-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0298-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0298-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0298-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p><strong>セクターギアの動きに合わせてノズルを前後させる</strong>のがタペットプレートの役割で、これによってBB弾がスムーズにチャンバーへ送り込まれ発射準備が整います。</p>
</div></div>



<p>これらが一体となって動くことで、1回のトリガー操作ごとに確実にBB弾が発射されるのです。</p>



<h3 class="wp-block-heading">スイッチ｜制御装置</h3>



<p>トリガーを引くと、メカボックス内のスイッチが作動してモーターへ電流が流れます。<br>このスイッチ系統にはいくつかの補助パーツがあり、動作の安定やセミ・フルオートの切り替えを支えています。</p>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/trigger.jpg" alt="電動ガンのトリガー" class="wp-image-33269 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/trigger.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/trigger-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/trigger-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/trigger-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/trigger-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/trigger-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/trigger-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p>トリガーはスイッチを押し込み、電気を通して<strong>モーターを動かすための起点</strong>となる部品です。</p>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/switch_picture.jpg" alt="メカボックスのスイッチ" class="wp-image-33268 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/switch_picture.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/switch_picture-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/switch_picture-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/switch_picture-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/switch_picture-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/switch_picture-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/switch_picture-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p>スイッチは<strong>トリガーの動きを受けて通電を制御</strong>し、バッテリーからモーターへ電流を流します。</p>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutofflever_picture.jpg" alt="カットオフレバーの画像" class="wp-image-33270 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutofflever_picture.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutofflever_picture-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutofflever_picture-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutofflever_picture-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutofflever_picture-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutofflever_picture-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/cutofflever_picture-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p>カットオフレバーは<strong>セクターギアの回転に連動してスイッチを切り離し</strong>、セミオート時に1発ずつ確実に発射できるよう制御します。</p>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/selector_plate.jpg" alt="セレクタープレート" class="wp-image-33267 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/selector_plate.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/selector_plate-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/selector_plate-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/selector_plate-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/selector_plate-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/selector_plate-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/selector_plate-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p>さらにセレクタープレートが<strong>カットオフレバーの動作範囲を切り替える</strong>ことで、セミオートとフルオートを選択できる仕組みになっています。</p>
</div></div>



<p>制御パーツがしっかり連携することで、ただモーターが駆動しているだけでは出せない精密な動作が可能になっています。</p>



<h2 class="wp-block-heading"><span id="toc4">メカボックスを分解する前に注意すること</span></h2>



<p>まず始めに、メカボックスの分解、電動ガンの分解はあまり<strong><span class="marker-under-red">推奨されていません</span></strong>。<br>それでもカスタムや、自身での修理などで開けてみたくなることもあると思います。<br>ですので、ここでは<strong>メカボックスを分解するときに注意するべき点</strong>を解説していきます。</p>



<h3 class="wp-block-heading">スプリングの飛び出しに注意</h3>



<p>ピストンを押し出すスプリングには発射動作中でなくとも、ある程度のテンション（伸びようとする力）が加わっています。<br>不用意に分解するとスプリングだけでなく、スプリングガイドと呼ばれる<strong><span class="marker-under-red">パーツが勢いよく飛び出してきて危険</span></strong>なので、必ず注意してください。<br>開けるときにはメカボックスの後方から見える<strong>スプリングガイドを押さえつけておく</strong>と比較的飛び出しにくくなります。<br>実はメカボックス内には小さなスプリングも入っていて、そちらは紛失してしまいがちなので飛んでいかないように注意しましょう。</p>



<h3 class="wp-block-heading">細かいパーツの紛失に注意</h3>



<p>メカボックスの中には先ほど解説したパーツの他にもそれぞれのパーツの動きを補助する<strong><span class="marker-under-red">細かい部品が沢山使われています</span></strong>。<br>どれも非常に見失いやすいので分解する際には<strong>必ず部品を入れておく容器などを用意</strong>しましょう。</p>



<h3 class="wp-block-heading">断線に注意</h3>



<p>メカボックスからは、バッテリーにつながる線とモーターにつながる線が飛び出しています。<br>この線をむやみに扱うと接点から外れて<strong><span class="marker-under-red">通電しなくなってしまったり、ショートや感電の危険も&#8230;</span></strong><br><strong>優しく扱うようにしましょう</strong>。</p>



<h3 class="wp-block-heading">ギアの位置ずれに注意</h3>



<p>こちらは分解時の注意点ではなく組み立てるときの注意点なのですが、<strong>ピストンとセクターギアが噛み合うか確認</strong>してからメカボックスを閉じましょう。<br><br>実は、メカボックスとギアの間には小さな輪っかのようなパーツが挟まっていて、それがなくなるとギアが噛み合わなくなったり、スムーズな動きを失ってしまいます。<br><br>しっかり噛み合うか確認した後は<strong>どちらも噛み合っていない状態にしてから組み上げてください</strong>。<br>ピストンとセクターギアを中途半端な位置で噛み合わせたような状態で組み上げてしまうと破損などの事故につながる恐れがあるので注意して組み上げましょう。</p>



<h2 class="wp-block-heading"><span id="toc5">実際にあけてみる</span></h2>



<p>自分の手で開けてみたい、自分の目で見てみたい&#8230;<br>そう思っている方向けに、ここではメカボックスを完全に分解するのではなく、<strong>”中身を見てみる”</strong>ことを目的とした分解を解説します。<br>解説に使う電動ガンはAPS製のM4、AR-15型の電動ガンです。<br>※こちらは内部構造の理解を目的としたもので、完全分解や改造を推奨するものではありません。<br>※分解を行う場合は自己責任で、安全を最優先にしてください。</p>



<h3 class="wp-block-heading">作業に取り掛かる前に</h3>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0306.jpeg" alt="電動ガンのバッファーチューブとバッテリー" class="wp-image-33308 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0306.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0306-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0306-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0306-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0306-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0306-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0306-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p><strong>バッテリーは必ず取り外してください。</strong><br>感電や誤動作と言った事故によるケガなどのリスクがあります。</p>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0337.jpeg" alt="メカボックスを取り出すのに必要な道具" class="wp-image-33331 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0337.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0337-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0337-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0337-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0337-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0337-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0337-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p><br>作業には、ドライバーや六角レンチ、プライヤー、<span class="marker-under">長めのプラスドライバー</span>、ハンマーなどがあると便利です。特に長いプラスドライバーは、奥まったネジに届くので用意しておくと安心です。</p>
</div></div>



<h3 class="wp-block-heading">グリップとモーターを取り外す</h3>



<div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex">
<div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow">
<figure class="wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex">
<figure class="wp-block-image size-medium"><img decoding="async" width="615" height="461" data-id="33310" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0308-615x461.jpeg" alt="電動ガンのグリップの蓋を外す" class="wp-image-33310" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0308-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0308-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0308-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0308-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0308-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0308-320x240.jpeg 320w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0308.jpeg 800w" sizes="(max-width: 615px) 100vw, 615px" /></figure>



<figure class="wp-block-image size-medium"><img decoding="async" width="615" height="461" data-id="33311" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0310-615x461.jpeg" alt="電動ガンのグリップ内部のモーター" class="wp-image-33311" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0310-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0310-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0310-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0310-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0310-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0310-320x240.jpeg 320w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0310.jpeg 800w" sizes="(max-width: 615px) 100vw, 615px" /></figure>
</figure>
</div>



<div class="wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow">
<p>グリップの底のネジを外して<span class="marker-under">モーターが見える</span>ようにします。</p>
</div>
</div>



<div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex">
<div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow">
<figure class="wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-6 is-layout-flex wp-block-gallery-is-layout-flex">
<figure class="wp-block-image size-medium"><img decoding="async" width="615" height="461" data-id="33312" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0311-615x461.jpeg" alt="電動ガンのグリップ内のモーターの配線を外す" class="wp-image-33312" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0311-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0311-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0311-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0311-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0311-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0311-320x240.jpeg 320w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0311.jpeg 800w" sizes="(max-width: 615px) 100vw, 615px" /></figure>



<figure class="wp-block-image size-medium"><img decoding="async" width="615" height="461" data-id="33313" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0312-615x461.jpeg" alt="電動ガンの配線を外したモーター" class="wp-image-33313" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0312-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0312-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0312-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0312-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0312-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0312-320x240.jpeg 320w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0312.jpeg 800w" sizes="(max-width: 615px) 100vw, 615px" /></figure>
</figure>
</div>



<div class="wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow">
<p>モーターに繋がっている<span class="marker-under">配線を抜きます</span>。</p>
</div>
</div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0313.jpeg" alt="電動ガンのグリップからモーターを引き抜く" class="wp-image-33314 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0313.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0313-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0313-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0313-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0313-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0313-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0313-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p>モーターが取り外せるようになるので、引き抜きます。</p>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0316.jpeg" alt="電動ガンのグリップの奥のねじ止め" class="wp-image-33315 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0316.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0316-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0316-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0316-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0316-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0316-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0316-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p>グリップは<span class="marker-under">本体側にネジで固定</span>されていますのでネジを外します。</p>
</div></div>



<div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex">
<div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow">
<figure class="wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-7 is-layout-flex wp-block-gallery-is-layout-flex">
<figure class="wp-block-image size-medium"><img decoding="async" width="615" height="461" data-id="33316" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0317-615x461.jpeg" alt="電動ガンのグリップが抜け掛けている" class="wp-image-33316" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0317-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0317-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0317-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0317-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0317-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0317-320x240.jpeg 320w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0317.jpeg 800w" sizes="(max-width: 615px) 100vw, 615px" /></figure>



<figure class="wp-block-image size-medium"><img decoding="async" width="615" height="461" data-id="33317" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0319-615x461.jpeg" alt="電動ガンから取り外されたグリップとモーター" class="wp-image-33317" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0319-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0319-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0319-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0319-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0319-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0319-320x240.jpeg 320w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0319.jpeg 800w" sizes="(max-width: 615px) 100vw, 615px" /></figure>
</figure>
</div>



<div class="wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow">
<p>グリップを引っ張ると外れます。<br>配線が通っているので<strong>無理な力を加えない</strong>ようにしてください。</p>
</div>
</div>



<h3 class="wp-block-heading">レシーバーからメカボックスを取り外す</h3>



<div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex">
<div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow">
<figure class="wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-8 is-layout-flex wp-block-gallery-is-layout-flex">
<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33318" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0320.jpeg" alt="電動ガンのストック" class="wp-image-33318" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0320.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0320-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0320-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0320-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0320-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0320-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0320-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>



<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33319" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0321.jpeg" alt="電動ガンのバッファーチューブとストック" class="wp-image-33319" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0321.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0321-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0321-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0321-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0321-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0321-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0321-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>
</figure>
</div>



<div class="wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow">
<p>ストックを取り外します、<strong>線を引っ張らない</strong>ように気を付けてください。</p>
</div>
</div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0324.jpeg" alt="バッファーチューブの奥はねじ止め" class="wp-image-33320 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0324.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0324-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0324-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0324-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0324-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0324-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0324-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p>ストックチューブ奥側のネジを外します。<br>かなり奥まった位置にあり、見えずらいので<strong>ネジの頭をつぶさない</strong>ように気を付けましょう。</p>
</div></div>



<div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex">
<div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow">
<figure class="wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-9 is-layout-flex wp-block-gallery-is-layout-flex">
<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33322" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0326.jpg" alt="レシーバーのフロントピン" class="wp-image-33322" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0326.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0326-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0326-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0326-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0326-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0326-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0326-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>



<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33323" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0327.jpeg" alt="上下に分解された電動ガン" class="wp-image-33323" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0327.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0327-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0327-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0327-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0327-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0327-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0327-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>
</figure>
</div>



<div class="wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow">
<p><span class="marker-under">レシーバー前側のピン</span>を外して上側の外装を取り外します。</p>
</div>
</div>



<div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex">
<div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow">
<figure class="wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-10 is-layout-flex wp-block-gallery-is-layout-flex">
<figure class="wp-block-image size-full"><img decoding="async" width="800" height="600" data-id="33327" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0333.jpeg" alt="マガジンキャッチボタンのネジ" class="wp-image-33327" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0333.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0333-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0333-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0333-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0333-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0333-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0333-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>



<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33326" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0330.jpg" alt="ロアレシーバーのリア側のピン" class="wp-image-33326" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0330.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0330-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0330-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0330-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0330-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0330-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0330-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>



<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33324" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0328.jpg" alt="電動ガンのトリガーピン" class="wp-image-33324" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0328.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0328-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0328-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0328-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0328-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0328-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0328-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>



<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33328" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0334.jpg" alt="ボルトキャッチのピン" class="wp-image-33328" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0334.jpg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0334-615x461.jpg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0334-240x180.jpg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0334-768x576.jpg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0334-120x90.jpg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0334-160x120.jpg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0334-320x240.jpg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>
</figure>
</div>



<div class="wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow">
<p><span class="marker-under">ロアレシーバーの各種ピン、ネジ</span>を取り除きます。<br>※リア側はダミーの場合があります。</p>
</div>
</div>



<div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex">
<div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow">
<figure class="wp-block-gallery has-nested-images columns-1 is-cropped wp-block-gallery-11 is-layout-flex wp-block-gallery-is-layout-flex">
<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33329" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0335.jpeg" alt="レシーバーからメカボックスを外すときのセレクターの角度" class="wp-image-33329" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0335.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0335-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0335-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0335-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0335-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0335-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0335-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>



<figure class="wp-block-image size-large"><img decoding="async" width="800" height="600" data-id="33330" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0336.jpeg" alt="メカボックスを引き抜いている" class="wp-image-33330" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0336.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0336-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0336-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0336-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0336-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0336-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0336-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure>
</figure>
</div>



<div class="wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow">
<div class="wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-fe9cc265 wp-block-group-is-layout-flex">
<p class="is-style-bottom-margin-15em has-bottom-margin">セレクターを大体<span class="marker-under">このくらいの角度</span>にします。</p>



<p>メカボックスを<strong>前方に引き抜く</strong>と外れます。</p>
</div>
</div>
</div>



<h3 class="wp-block-heading">メカボックスを開ける</h3>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0341.jpeg" alt="" class="wp-image-33359 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0341.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0341-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0341-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0341-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0341-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0341-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0341-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p><span class="marker-under">ノズルが右側</span>に来るように置いて、ネジを外していきます。</p>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0346.jpeg" alt="" class="wp-image-33356 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0346.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0346-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0346-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0346-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0346-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0346-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0346-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p>この時も内部の<strong>スプリングにはテンション（伸びようとする力）が掛かっている</strong>ので飛び出さないようにメカボックスを押さえながらネジを外します。</p>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0347.jpeg" alt="" class="wp-image-33357 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0347.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0347-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0347-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0347-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0347-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0347-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0347-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p>ノズルがある方の反対側からスプリングガイドが見えるのでそれを押さえながら開けます。</p>
</div></div>



<div class="wp-block-media-text is-stacked-on-mobile"><figure class="wp-block-media-text__media"><img decoding="async" width="800" height="600" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0348.jpeg" alt="" class="wp-image-33358 size-full" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0348.jpeg 800w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0348-615x461.jpeg 615w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0348-240x180.jpeg 240w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0348-768x576.jpeg 768w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0348-120x90.jpeg 120w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0348-160x120.jpeg 160w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/10/IMG_0348-320x240.jpeg 320w" sizes="(max-width: 800px) 100vw, 800px" /></figure><div class="wp-block-media-text__content">
<p>ここまで分解すれば中身を見ることができます。<br>メカボックスを閉じるときは先ほどの手順を<span class="marker-under">後ろからなぞる</span>だけです。</p>
</div></div>



<h2 class="wp-block-heading"><span id="toc6">触ってみたいけど不安&#8230;</span></h2>



<p>ここまで読んでくださった方の中に「自分でも触ってみたいけどちょっと不安かも…」と感じた方もいるかもしれません。<br>電動ガンの内部はとても精密で、ほんの小さなズレや部品の破損でも動かなくなることがあります。</p>



<p>もし、すでに壊れてしまっている、調子が悪い、カスタムの途中で止まっている&#8230;<br>そんな電動ガンがあるなら、<strong>無理に直そうとする前に“買取査定”という選択肢</strong>も検討してみてはいかがでしょうか？</p>



<p>実は、電動ガンは<strong>動かなくても価値があります</strong>。<br>メカボックス単体や内部パーツだけでも需要があり、ジャンク品やカスタム済みモデルでもしっかり査定してもらえるケースが多くあります。</p>



<p>「どうせ壊れてるから…」と放置している電動ガンに意外と買取価格がつくことも。<br>いらないからと捨ててしまう前に、一度専門店に相談してみるのがおすすめです。<br>状態に関係なく、あなたの電動ガンに新しい人生が見つかるかも。</p>



<h4 class="wp-block-heading">オススメ業者</h4>



<figure class="wp-block-image size-full"><a rel="follow noopener noreferrer" target="_blank" href="https://www.militarygoods-jp.com/"><img decoding="async" width="1024" height="377" src="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/07/topslide_01pc-scaled.webp" alt="militarygoods-jp.com HOME" class="wp-image-18877" srcset="https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/07/topslide_01pc-scaled.webp 1024w, https://www.militarygoods-jp.com/blog/wp-content/uploads/2025/07/topslide_01pc-768x283.webp 768w" sizes="(max-width: 1024px) 100vw, 1024px" /></a></figure>



<div class="wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex">
<div class="wp-block-button"><a rel="follow noopener noreferrer" target="_blank" class="wp-block-button__link wp-element-button" href="https://www.militarygoods-jp.com/contents/nagare/">おまかせしてみる<span class="fa fa-share-square-o external-icon anchor-icon"></span></a></div>
</div>



<p class="is-style-stripe-box has-box-style"><a rel="follow noopener noreferrer" target="_blank" href="https://www.militarygoods-jp.com/"><strong>ミリタリーグッズ.com</strong><span class="fa fa-share-square-o external-icon anchor-icon"></span></a>は 滋賀県栗東市にある <a rel="follow noopener noreferrer" target="_blank" href="https://www.whatfun.jp/">株式会社ワットファン <span class="fa fa-share-square-o external-icon anchor-icon"></span></a>が運営している買取専門業者です。<br><br>姉妹サイトである中古サバゲー用品販売専門の<a rel="follow noopener noreferrer" target="_blank" href="https://www.airgun.jp/"><strong>AIRGUN.jp</strong><span class="fa fa-share-square-o external-icon anchor-icon"></span></a>と提携しており、エアガンやサバゲー用品の買取に特化した専門業者です。</p>



<p>エアガン・電動ガンはもちろん、モデルガン、ガンケース、サバゲー用品やそれを収納していた箱まで買い取ってくれるので一回で全部処分が可能。</p>



<h5 class="wp-block-heading">専用の梱包キットがある</h5>



<p>事前に相談しておくと、商品の大きさや数に合わせた<br><strong>「専用の梱包キット」を無料で送ってくれる</strong>サービスがあります。<br><br>写真を送るだけで、中に入れるものにぴったり合ったダンボールや<br>しっかり守ってくれる緩衝材（プチプチなど）を選んで送ってくれるので、とても安心です。</p>



<p><strong>無駄な資材が出にくく、余計なゴミが増えないのもうれしいポイント。</strong></p>



<h5 class="wp-block-heading">本体だけでも動かなくても買取大歓迎</h5>



<p>動かなくなった電動ガンを前に「直そうか、手放そうか…」と迷っていませんか？<br>実は、壊れた状態のままでも専門のスタッフがしっかり査定してくれます。<br><br>箱が無くても、付属品が無くてもOK。<br>修理代をかける前に、どのくらいの価値があるのか一度チェックしてみるのもおすすめですよ。<br><br>思っていたより高く評価されることもあります。<br>無理に直す前に、気軽に査定を試してみてはいかがでしょうか。</p>



<p>姉妹サイトの<a rel="follow noopener noreferrer" target="_blank" href="https://www.airgun.jp/">AIRGUN.jp<span class="fa fa-share-square-o external-icon anchor-icon"></span></a>では、中古電動ガンを状態別に細かく分けて販売しています。<br>そのため、買取の時点で<strong>電動ガンの状態を加味した査定を</strong>していることがよくわかります。</p>



<h5 class="wp-block-heading">大量の買取に特に強い</h5>



<p>たくさんのエアガンや電動ガンをまとめて売りたいときふつうのリサイクルショップでは<br><span class="marker-under-red">「よくわからないから買い取れません</span>」と言われたり、<span class="marker-under-red">「壊れてるものは買い取れません」</span><br>といった対応をされてしまうこともあります。</p>



<p>また、くわしくないお店に渡ってしまうと<br><strong>その価値がきちんと評価されないまま終わってしまう</strong>こともよくあります。</p>



<p>その点、<a rel="follow noopener noreferrer" target="_blank" href="https://www.militarygoods-jp.com/">ミリタリーグッズ.com<span class="fa fa-share-square-o external-icon anchor-icon"></span></a>では、<strong><a rel="follow noopener noreferrer" target="_blank" href="https://www.militarygoods-jp.com/contents/trip3/">遺品の買取<span class="fa fa-share-square-o external-icon anchor-icon"></span></a>や<a rel="follow noopener noreferrer" target="_blank" href="https://www.militarygoods-jp.com/contents/trip2/">出張での買取<span class="fa fa-share-square-o external-icon anchor-icon"></span></a></strong>にも対応しています。<br>梱包キットを使って送る方法のほか、荷物の量が多くて自分で運べない場合は、<strong>専門のスタッフがご自宅まで伺って買取を行うこともできます。</strong></p>



<h2 class="wp-block-heading"><span id="toc7">よくあるQ&amp;A</span></h2>



<p class="is-style-question-box has-box-style"><strong><span class="marker-blue">Q.</span></strong><span class="marker-blue"> </span>メカボックスって自分で分解してもいいの？<br><span class="marker-red">A. </span>分解は可能ですが、内部は非常に精密なので初心者の方にはおすすめできません。バネの飛び出しや配線の断線など、<strong><span class="marker-under-red">想定外のトラブルが起こりやすい</span></strong>です。</p>



<p class="is-style-question-box has-box-style"><strong><span class="marker-blue">Q. </span></strong>メカボックスを開けたら保証はなくなりますか？<br><span class="marker-red">A. </span><strong><span class="marker-under-red">多くのメーカーでは、分解を行うと保証対象外になります。</span></strong>保証期間中は必ずメーカーや販売店に相談しましょう。</p>



<p class="is-style-question-box has-box-style"><strong><span class="marker-blue">Q. </span></strong>ピストンやスプリングは交換すると威力が上がりますか？<br><span class="marker-red">A. </span>ある程度は上がりますが、<strong><span class="marker-under-red">法定初速を超える改造は違法です。</span></strong>安全基準を守りつつ、適正なカスタムを行うようにしましょう。</p>



<p class="is-style-question-box has-box-style is-style-bottom-margin-5em has-bottom-margin"><strong><span class="marker-blue">Q. </span></strong>電動ガンの処分方法は？<br><span class="marker-red">A. </span>電動ガンを処分する場合は自治体のルールに沿って「プラスチック・金属ごみ」として分別するのが基本です。内部にバッテリーやモーターがある場合は取り外してから出しましょう。<br><strong><span class="marker-under-red">もし買い替えで捨てるなら、次の</span><span class="marker-under-red">資金ができる</span><span class="marker-under-red">専門店での買取がおススメです！</span></strong></p>



<h2 class="wp-block-heading"><span id="toc8">まとめ</span></h2>



<p>いかがでしたか？<br>今回は電動ガンの“心臓部”ともいえるメカボックスの仕組みや構造を中心に、発射までの流れをじっくり解説しました。<br>普段は見えない内部ですが、実はモーター、ギア、ピストン、スイッチといった多くのパーツが緻密に連動して、1発のBB弾を飛ばしているんです。</p>



<p>こうして構造を知ると、「動かなくなった電動ガンも、もしかしたらちょっとした原因かも？」と思えてきますよね。<br>実際、動作不良の多くはメカボックス内のパーツ摩耗や配線の断線などで、修理や調整で復活することもあります。<br>とはいえ、自分で開けるのはハードルが高い……そんなときは、無理せず専門店に相談してみるのもおすすめです。</p>



<p>そして、もし長く使っていない電動ガンや、壊れて眠っているものがあるなら、そのままにしておくのはもったいないかもしれません。<br>メカボックスの状態やカスタム内容によっては、動かなくても買取できるケースもあります。<br>パーツ単位でもしっかりチェックしてもらえるので、「どうせ壊れてるし…」と思わず、まずは一度査定に出してみてはいかがでしょうか。</p>



<p>次回はメカボックスの中でも特に重要な「ギア」「ピストン」「スイッチ」それぞれの役割や違いをさらに詳しく掘り下げて紹介します。<br>構造を理解すると、カスタムやメンテナンスの面白さが一段と増しますよ！</p>
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