Progressive ECO Spring MPS110/FPS362

<ul>
<li><span style=”font-size: 16px;”>For AEG series electric rifles.</span></li>
<li><span style=”font-size: 16px;”>Model with uneven tuning.</span></li>
<li><span style=”font-size: 16px;”>Hardened steel material.</span></li>
<li><span style=”font-size: 16px;”>Coated with galvanizing process</span></li>
</ul>
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