Diamondback Firearms DB15 rifle made entirely in the USA. It uses a gas-impingement system and high quality CNC machined components. The DB15 Elite model features a melonite coated, 4140 chrome-moly, free-float barrel, 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, Adaptive Tactical adjustable buttstock and buffer tube, pistol grip, 15" Diamondback aluminum Keymod handguard, Mil-Spec 8620 bolt carrier, and a black hardcoat anodized finish.