Diamondback DB15 SBR 5.56 NATO 10″ 30rd PMAG

The Diamondback Firearms DB15 SBR is an NFA-classified short-barrel rifle configured with a 10" threaded barrel and chambered for .223 Rem/5.56 NATO. Built on a forged 7075 T-6 aluminum receiver and finished in matte black, this compact AR-pattern platform is equipped with a 9" V3 M-LOK handguard and Magpul furniture. The package includes a single 30-round Magpul PMAG for immediate use in range and training environments.

Key Specifications

• Chambered in .223 Rem/5.56 NATO.
• The barrel measures 10" and is threaded.
• The action is Semi-Auto.
• The rate of twist is 1-in-8.
• Standard capacity is 30 + 1.
• Equipped with a 9" V3 M-LOK anti-rotation handguard.
• The receiver is Forged 7075 T-6 Aluminum.
• Fitted with a Magpul DT carbine stock.
• Includes 1 - 30 rd. PMAG.
• Muzzle device is a Silencerco ASR Muzzle Brake with 1/2x28 thread pattern.

Compact, modular, and built on standard AR controls and ergonomics, the DB15 SBR offers a balance of maneuverability and accessory compatibility for close-quarters training, transport-restricted platforms, and users who prioritize a short overall footprint without departing from familiar AR components. The 10" threaded barrel, M-LOK handguard and Magpul furniture provide a foundation for common accessories and practical range use.