ML Upgrade Pack Adjustable Nozzle for VFC / GHK Hummingbird Short-Stroke Bolt

<h5>Technical Specifications</h5>
<ul>
<li><strong>Material:</strong> Steel, aluminum alloy, durable polymer</li>
<li><strong>Compatibility:</strong> Maple Leaf Hummingbird Short-Stroke Bolt Assembly for VFC and GHK M4 GBB</li>
<li><strong>Function:</strong> Muzzle velocity adjustment (NPAS)</li>
</ul>
<h5>Package Contents</h5>
<ul>
<li>NPAS Nozzle</li>
<li>Nozzle Block</li>
</ul>