The Diamondback Firearms DB-15 is a semi-automatic pistol chambered in .300 AAC Blackout designed for compact handling and modular performance. It features an 8″ threaded barrel and an SBA3 arm brace for stabilized shooting from a pistol platform. The receiver is forged from 7075 T-6 aluminum and the pistol is furnished with a Magpul-style pistol grip for familiar ergonomics. The configuration includes a 30-round PMAG and a 30+1 listed capacity.
Key Specifications
- The caliber is .300 AAC Blackout.
- The barrel length is 8″.
- The action is Semi-Auto.
- The listed capacity is 30 + 1.
- The receiver is Forged 7075 T-6 Aluminum.
- The included brace is a SBA3 Brace.
- The grip is a Magpul Pistol Grip.
- The weight is listed as 6.95.
- The NFA thread pattern is 5/8×24.
- The package includes 1 30rd. PMAG.
Built on a durable forged 7075 T-6 aluminum platform with an 8″ threaded barrel and SBA3 brace, the DB-15 offers a compact, controllable AR-style pistol option in .300 AAC Blackout. Its configuration and features make it well suited for range work, short-range precision, and compact defensive applications where a rugged, modular pistol is preferred.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
Related Videos:




