Rocket Airsoft Pro-1 M4 Metal Hopup Chamber 6mm (0.23-0.66g) and a 14mm threaded outer

and a 14mm threaded outer barrel for muzzle brakes

clone guns

Uses M28 magazines

The Condor Outdoor tactical Ghillie Suit is a must-have for all serious airsoft snipers

340 FPS w/

Rocket Airsoft Pro-1 M4 Metal Hopup Chamber 6mm (0.23-0.66g) and a 14mm threaded outerThe Rocket Airsoft Pro 1 M4 Metal Hopup Chamber is an advanced design similar to the Prowin, but with a different cut and some extra parts included. Clean and aluminum make will fit in all M4 AEG airsoft guns' gearboxes. Includes SHS rubber bucking, but we recommend another bucking, such as a Maple Leaf, sold separately. Great for HPA gun installs! Packaging is Rocket Airsoft (OEM SHS).