Primary Airsoft Hi-Capa HPA M4 Adapter shirts Muzzle Velocity:400-450 FPS (Depending on

Muzzle Velocity:400-450 FPS (Depending on Regulator

This particular barrel is designed to only work with Tokyo Marui G17 Gen 3 gas airsoft pistols

For the PRO version

since the gun is gas operated

Other features include an ambidextrous safety selector

Primary Airsoft Hi-Capa HPA M4 Adapter shirts Muzzle Velocity:400-450 FPS (Depending onOur 4th generation Hi Capa M4 adapter is injection molded from a strong glass reinforced nylon material. The magazine release is now CNC machined aluminum for all Gen4 Primary Airsoft adapters. This adapter allows you to use HPA (high pressure air) and M4 AEG magazines on your Hi Capa airsoft pistol. To use it you will also need an M4 AEG magazine, paintball tank with low pressure regulator (0 140 psi), a hose with a Foster (polarstar) quick