Prometheus Perfect Metal Chamber NEO (Complete Kit) H&K Airsoft Guns Sniper grade airsoft BBs for

Sniper grade airsoft BBs for its very heavy weight

please ensure your suppressor cap is able to twist off into ‘two-pieces’ for the Suppressor Extension Unit to fit

Dimensions: 12mm deep x 20mm wide x 121

1 mags will work in the 4

Prometheus Perfect Metal Chamber NEO (Complete Kit) H&K Airsoft Guns Sniper grade airsoft BBs forPrometheus Perfect Metal Chamber NEO (M4 Hopup Chamber, with Pressure Arm and Gear). This is a replacement hop up chamber for all M4 type AEG airsoft guns. It's a very high quality metal made chamber with all the parts to make it work better than your original. Made in Japan for highly upgraded guns, custom guns, etc. We recommend the Prometheus Purple bucking for use with this. M4 Hopup Chamber, with Pressure Arm and Gear