The Diamondback DB-15 AR Pistol delivers a compact, hard-hitting platform chambered in .223 Rem/5.56 NATO with a 7-inch barrel optimized for close-quarters use. Built on a proven AR-style lower and equipped with the SB Tactical SBA3 pistol brace, this DB-15 is purpose-built for vehicle carry, range sessions, or as a suppressor host thanks to its 1/2×28 threaded muzzle. The black nitride barrel finish resists corrosion and reduces friction for long-term reliability, and the package ships with a 30-round Magpul PMAG ready to run.
Key Specifications
- Chambered in .223 Rem / 5.56 NATO for versatile, widely available ammunition compatibility.
- The barrel measures 7 inches in length for an ultra-compact overall profile.
- A black nitride barrel finish provides superior corrosion resistance and reduced surface friction.
- The rifling features a 1-in-8 inch twist rate, stabilizing a wide range of projectile weights.
- The muzzle is threaded 1/2×28, ready for suppressor or muzzle device attachment.
- Operates via semi-automatic action for reliable, consistent cycling.
- Classified by the ATF as a pistol, configured with an SB Tactical SBA3 pistol brace.
- Ships with one 30-round Magpul PMAG included.
- Features a thumb safety for intuitive, positive fire control.
- Finished in an all-black configuration for a clean, professional appearance.
The DB-15 AR Pistol from Diamondback Firearms punches well above its size class — combining a proven semi-auto AR platform with a suppressor-ready barrel and the comfort of the SBA3 brace in a no-frills, no-compromise package. Whether you’re building a compact home-defense setup or looking for a range-ready pistol with serious capability, the DB-15 delivers the reliability and modularity that AR enthusiasts demand. Add your preferred optic via any standard upper rail and make it your own.
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