Diamondback Firearms DB1984K101 DB15 Obsidian 5.56 NATO 11.5" Pistol

The Diamondback Firearms DB15 Obsidian 5.56 NATO 11.5" Pistol is a short-barreled, modern tactical platform engineered for operators who demand compact firepower without sacrificing reliability. Built on the proven AR-15 pattern, this 5.56 NATO pistol excels in close-quarters environments, vehicle operations, and home-defense scenarios where maneuverability trumps extended-range capability. This platform is designed for tactical professionals, home-defense-focused shooters, and law enforcement units operating in confined spaces.

The 11.5-inch barrel delivers manageable ballistics while maintaining a lightweight, modular design that makes AR-platform weapons the standard across law enforcement and military units worldwide. Diamondback has engineered the DB15 Obsidian with a focus on durability and ergonomic control—critical factors in tactical carbines where split-second accuracy matters. The compact profile—measuring 31.5 inches overall—allows seamless deployment from tight spaces, vehicles, or behind barriers.

The DB15 Obsidian is compatible with standard AR-15 magazines, allowing operators to customize furniture, optics mounts, and charging handles to match mission requirements. This versatility ensures that users can adapt the firearm to their specific needs, enhancing performance in various operational contexts. With its balanced design and sufficient velocity for 5.56 NATO duty rounds, the DB15 Obsidian is an excellent choice for those seeking a reliable and effective tactical pistol.