Airsoft Master Gunsmith High Output Magazine Valve to suit WE M4/M16/HK/Scar GBBR devices.
High output valves for gas blow back devices are a great upgrade that is an easy upgrade for much better performance. AMG high output valves are constructed from steel and feature high quality O-rings for drastically improved performance and durability. Installing a high flow valve improves FPS, felt recoil, enhanced cyclical rate and more efficient overall gas flow.
