The Diamondback Firearms DB15 is a versatile American-made modern sporting rifle built around a proven direct gas impingement system. This 16-inch rifle is chambered for both .223 Remington and 5.56 NATO and features a Smoked Bronze finish, an M-LOK handguard, and a six-position adjustable stock. Its flat-top receiver and accessory rail provide a practical foundation for adding an optic, while the threaded barrel supports compatible muzzle devices and suppressor accessories. The rifle includes a manual safety and offers a 30+1 capacity with its included magazine.

Key features

• Chambered for .223 Remington and 5.56 NATO ammunition
• 16-inch threaded barrel with a 1/2x28 thread pitch
• M-LOK handguard supports flexible accessory placement
• Six-position adjustable stock helps accommodate different users and shooting positions
• Flat-top receiver is optic ready for a compatible sighting system
• Direct gas impingement semi-automatic action provides familiar AR-pattern operation

The Diamondback DB15 combines practical features, adaptable fit, and modern accessory compatibility in a dependable rifle platform.