Primary Airsoft HPA to M4 Magazine Adapter for GBB Pistols Nineball Various configurations (see drop-down menu

Various configurations (see drop-down menu options)

Extended fire selector with rear locking notch for charging handle

The full auto mode has a very rapid rate of fire (20+RPS)

and uses a single o-ring

The new SPEED Airsoft HPA/MOSFET M4 triggers released are designed to work with Polarstar HPA conversion systems

Primary Airsoft HPA to M4 Magazine Adapter for GBB Pistols Nineball Various configurations (see drop-down menuPrimary 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