MAPLE LEAF AR-Boltaction Conversion Kit for VFC M4 / HK416 V3 GBB Series

Features: Compatible with various VFC specification V3 version M4, HK416 GBB airsoft. It can be used after replacing the upper receiver directly. Requires the use of the original forend assembly, or prepare a different length of VFC forend assembly for installation. Retaining the trigger release function Press the release button to release the receiver or replace the magazine with a new one. Adjustable dart flow design, use M1.5mm hexagonal rod to adjust.