The Diamondback Firearms DB15 is a bronze-finished AR-style rifle chambered for .223 Remington and 5.56 NATO. Its 16-inch medium-profile 4150 ChromeMoly barrel has a black nitride finish, a 1:8-inch twist, and a 1/2x28 threaded muzzle fitted with a muzzle brake. A mid-length direct-impingement gas system with a pinned gas block supports reliable operation. The rifle combines 7075-T6 aluminum receivers with a 15-inch M-Lok anti-rotation handguard, Magpul MOE-K2+ grip, and Magpul ACS-L adjustable stock. With a 30+1 capacity and an optics-ready top rail, it is configured for general-purpose range use and practical carbine applications.

Key features

• Chambered for both .223 Remington and 5.56 NATO ammunition
• 16-inch 4150 ChromeMoly barrel with durable black nitride finish
• Mid-length direct-impingement gas system with pinned gas block
• 15-inch M-Lok anti-rotation handguard provides flexible accessory mounting
• 7075-T6 aluminum receivers with a distinctive Bronze finish
• Magpul ACS-L stock and MOE-K2+ grip improve adjustment and handling comfort on the firing line

The Diamondback Firearms DB15 delivers a versatile AR-style rifle configuration with practical controls, accessory compatibility, and a distinctive Bronze finish.