Muzzle Velocity: 310~380 FPS (Measured with 0

Fiber opticCompatibility: Elite Force

The front and rear sight are easy to use and adjustable

yet extremely durable

The CQR features original HERA ARMS ambidextrous QD sling mounts and other parts to give you the authentic look and feel of the real steel German built rifle

Primary Airsoft HPA/M4 Adapter for Hi-Capa hopup tensioner Muzzle Velocity: 310~380 FPS (MeasuredOur 4th generation Hi Capa M4 adapter is injection molded from a strong glass reinforced nylon material. 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 disconnect and of course bbs. The normal operating pressure for green gas is roughly 120 psi