Diamondback Firearms' DB15 Pistol is made entirely in the USA. It uses a gas-impingement system and high quality CNC machined components. The DB15 AR Pistol features a melonite coated, 4140 chrome-moly barrel, forged 7075 T6 aluminum lower along with an optic-ready A3 flattop upper receiver, and a carbine length gas system. The DB15P has a buffer tube stock and an A2 pistol grip. This model has a 10.5" barrel with a 9" aluminum modified keymod handguard and a burnt bronze finish.