Diamondback Firearms&##39; DB15 rifle is made entirely in the USA. It uses a gas-impingement system and high quality CNC machined components. The DB15CC Rifle features a melonite coated, 4140 chrome-moly, free-float barrel. It also has a forged 7075 T6 aluminum lower along with an A3 flattop upper receiver, no sights, and a carbine length gas system. This model has an A2 flash hider, 6-position ATI Mil-Spec buttstock and buffer tube, A2 pistol grip, and a 10" free-float handguard quad rail.