Diamondback DB15 Carbon 5.56 NATO 7-inch SBA3 Pistol

The Diamondback DB15 Carbon is a compact AR-platform pistol chambered for .223 Rem/5.56 NATO. It pairs a 7-inch threaded barrel and pistol-length gas system with a SB Tactical SBA3 stabilizing brace and a 6-inch M-LOK handguard for accessory flexibility. The package ships with a 30-round Magpul PMAG and is built on forged 7075 T-6 aluminum receivers.

Key Specifications

• The caliber is listed as .223 Rem / 5.56 NATO.
• The barrel measures 7 inches and features a 1/2x28 thread pattern with an A2 flash hider.
• The action is Semi-Auto with a pistol-length direct impingement gas system.
• The magazine capacity is 30+1 rounds and includes one 30-round PMAG.
• The handguard is a 6-inch M-LOK rail section for attachments.
• The pistol uses an SB Tactical SBA3 pistol stabilizing brace.
• The upper and lower receivers are forged 7075 T-6 aluminum.
• The barrel finish is listed as Black Nitride.
• The rate of twist is 1-in-8 right-hand.
• The unloaded weight is approximately 5.4 lbs and overall length is 23 in / 25.5 in (collapsed/extended).

The DB15 Carbon is a purpose-built, compact AR pistol platform that balances maneuverability and accessory adaptability. Its combination of a short threaded barrel, SBA3 brace and M-LOK handguard makes it well suited for range use and utility applications where a compact, configurable AR-style pistol is required.