Primary Airsoft HPA to M4 Magazine Adapter for GBB Pistols

Primary Airsoft HPA to M4 Magazine Adapter for GBB Pistols Lightweight glass-reinforced nylon polymer construction with CNC aluminum magazine release Designed to even the playing field when playing airsoft with a pistol as a primary against AEGs with hi-cap mags. Allows you to use HPA and M4 AEG magazines on your airsoft pistol Comes pre-equipped with a Foster quick disconnect Includes a longer screw with 2.5mm hex head and new universal feed tube