Diamondback DB15 .300 Blackout 10″ Pistol FDE SBA3 Brace

About this product

The Diamondback DB15 Carbon Series pistol is a compact AR-platform firearm chambered in .300 AAC Blackout, built for short-barrel maneuverability and modular accessory fit. It features a 10″ threaded heavy barrel with a 1:8 right-hand twist and a flat dark earth Cerakote finish. The pistol uses a pistol-length direct impingement gas system and ships with an SB Tactical SBA3 pistol stabilizing brace and a 30-round Magpul PMAG. Its forged 7075-T6 aluminum receivers and 9″ PC M-LOK handguard provide a familiar AR ergonomics package in a compact form factor.

Key Specifications

• Caliber: .300 AAC Blackout.
• Barrel length: 10 inches with a threaded muzzle.
• Barrel material and finish: 4140 Chrome-Moly Vanadium, Black Nitride.
• Gas system: Pistol-length direct impingement.
• Action: Semi-Auto.
• Capacity: 30 + 1 with included magazine.
• Brace: SB Tactical SBA3 pistol stabilizing brace.
• Handguard: 9-inch PC M-LOK rail.
• Receiver material: Forged 7075-T6 aluminum.
• Weight: 5.7 lb.

Purpose-built for shooters who value a compact AR-style platform, the DB15 Carbon balances short-barrel handling with familiar AR ergonomics and accessory compatibility. The combination of a heavy threaded barrel, Magpul MOE grip, and SBA3 stabilizing brace makes this pistol well-suited for users seeking a configurable, compact .300 Blackout package that accommodates optics and modern accessories.

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