The Diamondback Firearms DB15 is a 5.56 NATO semi-automatic rifle designed around a versatile AR-15 pattern platform. It features a 16-inch threaded barrel, a 15-inch M-Lok anti-rotation handguard, an Obsidian muzzle brake, and an ambidextrous safety. The Magpul CTR stock and K2 grip provide a comfortable, configurable shooting position, while the flat-top receiver offers a practical foundation for adding an optic. The rifle accepts both 5.56 NATO and .223 Remington ammunition and includes a 30-round magazine.

Key features

• 16-inch threaded barrel supports common muzzle accessories and includes an Obsidian muzzle brake
• 15-inch M-Lok anti-rotation handguard provides flexible accessory mounting with reduced handguard movement
• Magpul CTR adjustable stock helps accommodate different shooters and shooting positions
• Magpul K2 grip offers a more vertical, ergonomic grip angle
• Ambidextrous manual safety supports convenient operation from either side
• Flat-top receiver with Picatinny rail is optic ready for a user-selected sighting system

The Diamondback DB15 combines practical controls, adaptable furniture, and accessory-ready features in a capable 5.56 NATO rifle.