Diamondback(R) DB15 DB1984B101 is a semi-automatic handgun chambered in 300 Blackout with a 10 in barrel OD Green finish and pistol brace. It is configured as a compact AR-pattern pistol with 30-round magazine capacity modern sporting controls and short-barrel handling for range and tactical applications.Key Features Chambered in 300 Blackout 10 in barrel Semi-automatic operating system 30+1 firearm capacity OD Green finish Pistol brace configuration AR-pattern DB15 platform Includes one 30-round magazineDiamondback Firearms(R) builds American-made AR-platform firearms focused on dependable function and practical feature sets. The brand is known for pairing common compatibility with modern rails optics-ready uppers and value-forward configurations across multiple finishes and trim levels. Diamondback rifles are designed for consistent performance for training and range use with familiar controls and straightforward maintenance.