DIAMONDBACK DB15 OBSIDIAN SERIES 300 BLACKOUT SEMI-AUTO PISTOL Built for speed, control, and confidence, the Diamondback DB15 AR Pistols are engineered for superior handling in close-quarters environments. With their compact design and lightweight construction, these pistols deliver exceptional maneuverability without compromising performance. Every DB15 is designed and manufactured in the USA. Whether you're a first-time buyer or a seasoned shooter, a DB15 AR Pistol delivers serious performance in a pistol format SPECS Caliber: .300 BLACKOUT Barrel: 10.5 in, 1:8 RH, Heavy, 4150 CrMov, Black Nitride Gas System: Pistol Length BC Mfg: Diamondback