Maple Leaf Hummingbird Short-Stroke Bolt Assembly (GHK / VFC) Style:GHK ● Quick release mount

● Quick release mount

There is a choice of 2 different red dot sight configurations – one for the Trijicon RMR and one for the Leupold DP-PRO)

The external aluminum housing provides a satisfying click to the thumbscrew that allows to precisely adjust the TDC and protects the screw from accidental bumps

*Extra batteries may be provided depending on the number of rental guns

Now includes a milspec style Ambidextrous Magazine Release

Maple Leaf Hummingbird Short-Stroke Bolt Assembly (GHK / VFC) Style:GHK ● Quick release mountDrop in replacement Increase of rate of fire to 18 rounds per second (may differ based on gas pressure and inner barrel length weight of BB) For converting of AR15 to non stock or folding stock models Maintain bolt locking function of GBB Materials: Metal Alloy, Polymer, and Steel mix Note: Not for use in 416 series