The front and rear sight are easy to use and adjustable

Package includes both clockwise and counter-clockwise thread adapters

●Fresh urban design made of high quality fabrics for not only a fashionable

Designed for quick and ergonomic magazine reloads

Primary Airsoft HPA/M4 Adapter for Hi-Capa hopup tensioner The front and rear sightOur 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