Primary Airsoft HPA to M4 Magazine Adapter for GBB Pistols Valken AEGs Can use all standard M4

Can use all standard M4 parts

Mechanical Version

Unique top feeding magazine (capacity 50 rounds)

VFC QRS Hicap M4 Magazine 300 Rounds

 Package size: 90 x 31

Primary Airsoft HPA to M4 Magazine Adapter for GBB Pistols Valken AEGs Can use all standard M4Primary 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