Diamondback DB15 Carbon .300 AAC Blackout 10″ FDE SBA3

The Diamondback DB15 Carbon Series is an AR-pattern pistol chambered in .300 AAC Blackout built for a compact footprint and modular accessory options. This configuration pairs a 10-inch threaded barrel with a 9-inch M-LOK handguard and an SB Tactical SBA3 pistol stabilizing brace. The package includes a 30-round Magpul Gen M3 PMAG and forged 7075 T-6 aluminum receivers. The DB15 Carbon is configured for users who value a compact AR-style platform with standard AR controls and accessory compatibility.

Key Specifications

• The caliber is .300 AAC Blackout.
• The barrel measures 10 inches and is heavy and threaded with a 5/8x24 thread pattern.
• The rifling twist rate is 1:8 RH.
• The gas system is a pistol-length direct impingement system.
• The bolt carrier group is a shot-peened, magnetic particle inspected Mil-Spec 8620 carrier.
• The handguard is a 9-inch M-LOK free-floating style.
• The pistol uses an SB Tactical SBA3 pistol stabilizing brace.
• The included magazine is a Magpul Gen M3 30-round for .300 AAC Blackout.
• The receivers are forged 7075 T-6 aluminum.
• The finished color is Flat Dark Earth Cerakote and the listed weight is 5.7 lb.

The DB15 Carbon Series combines a compact AR-pattern layout with standard AR ergonomics and accessory compatibility, offering a versatile platform for informed shooters who value modularity and compact handling. Its component set and included 30‑round magazine provide a ready foundation for optics and accessory setups without altering the core configuration.