Maple Leaf GHK M4 GBBR Humming Brid Short-Stroke Bolt Assembly

The Maple Leaf Humming Brid Short-Stroke Bolt Assembly is a short-stroke bolt kit designed to increase the cyclic rate of standard GHK M4 / AR15 series gas airsoft rifles. This kit is a drop-in fit and the bolt will still lock back on the last round.

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Compatibility:

• GHK M4 / AR15 Series Gas Airsoft Rifles

Includes:

• x1 Maple Leaf GHK M4 GBBR Humming Brid Short-Stroke Bolt Assembly