The Diamondback DB-15 Carbon Series pistol is a compact AR-style semi-automatic chambered in .300 AAC Blackout designed for short-range utility and modular customization. It features a Diamondback 10-inch heavy threaded 4140 Chrome-Moly Vanadium barrel with a 1:8 right-hand twist and a pistol-length direct-impingement gas system. Forged 7075-T6 upper and lower receivers, a 9-inch PC M-LOK handguard and a Magpul MOE pistol grip provide a familiar AR interface. The SB Tactical SBA3 arm brace and a Magpul Gen M3 30-round PMAG are included to make the platform ready for immediate configuration.
Key Specifications
- Chambered in .300 AAC Blackout for common short-range calibers and suppressed use.
- The barrel measures 10 inches and is a heavy, threaded 4140 Chrome-Moly Vanadium tube with a black nitride finish.
- The rifling twist rate is 1:8 RH.
- Gas system is a pistol-length direct-impingement configuration.
- Bolt carrier group is a shot-peened, magnetic particle inspected Mil-Spec 8620 carrier.
- Handguard is a 9-inch PC M-LOK rail for accessory mounting.
- Brace fitted is an SB Tactical SBA3 arm brace.
- Magazine capacity is 30+1 rounds with one Magpul Gen M3 PMAG included.
- Finish is Olive Drab Green Cerakote.
- Weight is approximately 5.7 lb with overall length 26 in / 28.5 in (collapsed / extended).
The DB-15 delivers a durable, familiar AR control layout in a compact package that supports optics, lights, and suppressors. Its combination of robust materials and common AR interfaces makes it straightforward to tailor the platform for short-range shooting, suppressed configurations, or compact defensive use.
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