ML Hummingbird Short-Stroke Bolt Assembly for GHK M4 GBB – Silver

<h5>Technical Specifications</h5>
<ul>
<li><strong>Material:</strong> Aluminum alloy, nylon</li>
<li><strong>Color:</strong> Silver</li>
<li><strong>Weight:</strong> 195 g</li>
<li><strong>Compatibility:</strong> GHK M4 / MK18 / DD RIS II / URGI (new and older generations)</li>
<li><strong>Type:</strong> Short-stroke bolt</li>
<li><strong>Performance:</strong> Adjustable, NPAS valve</li>
</ul>

<h5>Package Contents</h5>
<ul>
<li>CNC Aluminum Bolt GBB</li>
<li>Adjustable NPAS Valve</li>
<li>Nozzle</li>
</ul>