Diamondback DB15 Carbon .300 BLK 10-inch Pistol SBA3 30rd

About this product

The Diamondback DB15 Carbon is a compact AR-platform pistol configured for .300 AAC Blackout. It pairs a 10-inch heavy 4150 CrMoV barrel with a pistol-length direct impingement gas system and an SB Tactical SBA3 brace for a short, maneuverable package. The model ships with a single 30-round Magpul PMAG and features forged 7075 T-6 aluminum receivers and a Magpul MOE pistol grip. Its 9-inch M-LOK handguard provides modular space for optics and accessories while keeping overall length compact.

Key Specifications

• The caliber is .300 AAC Blackout.
• The barrel is a 10-inch 4150 CrMoV heavy, 1:8 RH Black Nitride design.
• The gas system is a pistol-length direct impingement system.
• The standard magazine capacity is 30 + 1 rounds.
• The handguard is a 9-inch PC M-LOK rail for accessories.
• The pistol uses an SB Tactical SBA3 pistol stabilizing brace.
• The receivers are forged 7075 T-6 aluminum on upper and lower.
• The bolt carrier group is a shot-peened Mil-Spec 8620 carrier.
• The unloaded weight is approximately 5.7 pounds.
• The exterior receives a Black Hard Coat Anodized finish.

Built to deliver AR-15 functionality in a compact pistol form, the DB15 Carbon balances durable materials and practical ergonomics for short-range utility and range work. Its combination of a heavy-profile, nitride-finished barrel, Magpul ergonomics, and a full 9-inch M-LOK handguard makes it straightforward to outfit with optics and mission-specific accessories while retaining a concise handling profile.

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