The Diamondback Firearms DB-15 AR pistol combines a compact .300 Blackout platform with an 8-inch threaded barrel, a 9-inch M-LOK handguard, and an SBA3 adjustable brace. Its forged 7075-T6 aluminum receiver provides a durable foundation, while the Magpul MOE pistol grip supports a secure, comfortable hold. A two-position thumb safety provides familiar manual control, and the receiver rail is ready for a customer-selected optic. This configuration includes one 30-round PMAG and is supplied without factory sights.

Key features

• .300 Blackout chambering offers a versatile AR pistol configuration
• 8-inch barrel with 5/8x24 threads supports compatible muzzle devices
• SBA3 adjustable brace helps provide adaptable shouldering support
• 9-inch M-LOK handguard offers flexible accessory mounting
• Forged 7075-T6 aluminum receiver balances durability and weight
• Two-position manual thumb safety provides positive fire-control operation

The Diamondback DB-15 delivers a compact, configurable .300 Blackout AR pistol platform for owners who want to choose their own optic and muzzle accessories.