Primary Airsoft Hi-Capa HPA M4 Adapter shirts For the PRO version

For the PRO version

this process or other similar maintenance procedures are not required

since the gun is gas operated

Other features include an ambidextrous safety selector

Magazine Capacity - 120 Rounds

Primary Airsoft Hi-Capa HPA M4 Adapter shirts For the PRO versionOur 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