The Diamondback DB15 300BLK DUO is a high-performance modern sporting rifle designed for steady, repeatable accuracy and all-around operational utility. Chambered in .300 Blackout with a 16.00-inch threaded barrel, this rifle features a durable black hardcoat anodized finish and an M-LOK free-float handguard for mounting tactical accessories, lights, and target designators.

Outfitted with premium B5 Systems furniture, including an ergonomic grip and collapsible stock, the DB15 DUO delivers balanced handling and enhanced shooting comfort. Built on a proven semi-automatic gas-operated platform, this versatile rifle comes complete with a 30-round magazine, making it ideal for range training, tactical applications, and recreational shooting.

• Manufacturer: Diamondback Firearms
• Model: DB15 300BLK DUO
• Caliber: .300 Blackout
• Capacity: 30
• Barrel Length: 16.00"
• Barrel Type: Threaded Barrel
• Action: Semi-Automatic
• Furniture: B5 Systems Stock & Grip
• Handguard: M-LOK Free-Float Rail
• What's In The Box: Diamondback DB15 Rifle, (1) 30-Round Magazine, Owner's Manual
• Finish Color: Black
• Condition: New