Diamondback Firearms DB15 Optic Ready .223 Remington 5.56 NATO Black Rifle

The Diamondback Firearms DB15 Optic Ready is an American-made semi-automatic rifle chambered for both .223 Remington and 5.56 NATO. It uses a proven direct-impingement operating system with a carbine-length gas system, a forged 7075-T6 aluminum receiver, and a 16-inch 4150 chrome moly barrel with a 1:8 twist. The A3 flattop upper receiver provides a practical foundation for mounting an optic, while the anti-rotation handguard offers a full Picatinny rail for accessories. A CMC single-stage trigger, Magpul ACS-L adjustable stock, MOE K2+ grip, enhanced trigger guard, forward assist, and dust cover complete the configuration.

Key features

• Chambered for .223 Remington and 5.56 NATO for broad ammunition compatibility
• 16-inch 4150 chrome moly barrel with a 1:8 twist for versatile performance
• Direct-impingement action with a carbine-length gas system
• A3 flattop upper receiver provides an optic-ready mounting platform
• Anti-rotation handguard with full Picatinny rail supports accessory installation
• CMC single-stage trigger offers a clean, consistent trigger pull

The Diamondback Firearms DB15 combines a practical AR-style configuration with quality components for range use, training, and recreational shooting.