Chambered in 6.8mm SPC II, with a 1:10” 6 groove twist. These barrels
feature M4 style feed ramps for reliable function. Threaded models have a
1/2”-36 thread. 4140 steel, heat treated to RC 25-32.Available Threaded, or Non Threaded
Our barrels are designed to fit a 0.750" gas block.