The Diamondback Firearms DB15 is a semi-automatic rifle chambered in .300 Blackout and configured for versatile carbine use. It features a 16-inch threaded barrel with a 5/8x24 thread pattern, a 15-inch M-LOK handguard, and an optic-ready flat-top receiver. The forged 7075-T6 aluminum receiver is paired with a collapsible Magpul MOE carbine stock and Magpul MOE grip. A two-position thumb safety, A2 flash hider, and 30+1 capacity complete the practical configuration. One 30-round PMAG is included.

Key features

• .300 Blackout chambering supports a wide range of ammunition and applications
• 16-inch threaded barrel with a 5/8x24 thread pattern accommodates compatible muzzle devices
• 15-inch M-LOK handguard provides flexible accessory mounting
• Optic-ready flat-top receiver supports red dots and other compatible aiming systems
• Collapsible Magpul MOE carbine stock allows length-of-pull adjustment
• 30+1 capacity with one included 30-round PMAG

The Diamondback DB15 combines adaptable .300 Blackout performance with practical furniture and accessory compatibility for range, recreational, and defensive applications.