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. The 11.5-inch barrel delivers manageable ballistics while maintaining the 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 11.5-inch barrel, combined with the pistol's 6.9-pound weight, creates a balanced platform that reduces shooter fatigue during extended operations while maintaining sufficient velocity for 5.56 NATO duty rounds. The compact profile—measuring 31.5 inches overall—allows seamless deployment from tight spaces, vehicles, or behind barriers. The AR-15 derivative design ensures compatibility with standard components, allowing operators to customize furniture, optics mounts, and charging handles to match mission requirements.

This platform suits tactical professionals, home-defense-focused shooters, and law enforcement units operating in confined spaces where short-stroke, high-capacity firepower is essential. The DB15 Obsidian accepts standard AR-15 magazines and upper receiver components, enabling quick repairs and ammunition commonality across team arsenals. Installation of optics, foregrips, or rail-mounted accessories requires only standard AR tooling—no gunsmithing needed. Whether configured for duty, training, or specialized operations, the Diamondback DB15 Obsidian delivers the proven reliability and modularity that professionals expect from modern tactical rifles.