Diamondback Firearms DB15 Carbon Series 5.56 NATO .223 Remington Black Rifle

The Diamondback Firearms DB15 Carbon Series is a Colorado-compliant, direct-impingement rifle chambered in 5.56 NATO and compatible with .223 Remington ammunition. It features a 16-inch barrel, a 15-inch M-Lok handguard for accessory mounting, and a Magpul MOE carbine stock for adjustable fit. The flat-top upper receiver is optic ready, while the standard configuration includes a manual safety and a 10-round magazine.

Key features

• 5.56 NATO chambering also supports .223 Remington ammunition
• 16-inch barrel provides a practical balance of handling and velocity
• 15-inch M-Lok handguard offers flexible accessory mounting
• Magpul MOE carbine stock provides adjustable length of pull
• 10+1 capacity meets the Colorado-compliant configuration
• Flat-top receiver is ready for a separately purchased optic

The DB15 Carbon Series combines familiar AR-pattern controls with a compliant 10-round configuration and versatile M-Lok accessory mounting.