Diamondback DB15 300 Blackout Semi-Auto Rifle 30rd Picatinny Rail

The Diamondback DB15 in 300 Blackout delivers versatile performance for both subsonic and supersonic ammunition in a reliable AR-15 platform. This semi-automatic rifle combines proven mechanics with modern manufacturing to create a dependable firearm for multiple applications. The 300 Blackout chambering provides excellent ballistics in a compact package while maintaining compatibility with standard AR-15 magazines and accessories.

What Makes This Different

The DB15 features a forged aluminum receiver set that provides the strength and durability expected from military-specification components. Unlike polymer alternatives, the aluminum construction maintains dimensional stability under temperature extremes and heavy use. The rifle includes a full-length Picatinny rail system for mounting optics and accessories, while the carbine-length gas system ensures reliable cycling with both heavy subsonic and light supersonic 300 Blackout loads.

Key Features

• 300 Blackout chambering optimized for both subsonic and supersonic ammunition
• Forged 7075-T6 aluminum upper and lower receivers with Type III hard coat anodizing
• Full-length Picatinny rail with MIL-STD-1913 specifications for optics mounting
• 30-round magazine capacity with STANAG magazine compatibility
• Carbine-length gas system with chrome-lined gas tube
• Black synthetic furniture with ergonomic grip design
• Standard AR-15 trigger group and safety selector

The rifle demonstrates consistent accuracy with factory ammunition and maintains reliable function across temperature ranges from -40°F to 140°F. The 300 Blackout cartridge excels in close-quarters applications while providing effective range capabilities out to 200 yards with supersonic loads. The platform accepts standard AR-15 accessories including stocks, grips, and handguards, allowing customization for specific applications from home defense to hunting.

Technical Specs

• Caliber: 300 AAC Blackout (.300 BLK)
• Action: Semi-automatic, direct impingement gas system
• Magazine Capacity: 30 rounds (STANAG compatible)
• Receiver Material: Forged 7075-T6 aluminum with hard coat anodizing
• Rail System: Full-length Picatinny rail, MIL-STD-1913
• Stock: Black synthetic with standard buffer tube interface
• Overall Length: Approximately 32-36 inches (depending on stock position)
• Weight: Approximately 6.5-7.0 pounds unloaded
• Barrel Length: 16 inches (standard carbine configuration)
• Finish: Matte black throughout

The DB15 represents solid value engineering with components manufactured to military specifications. Quality control standards ensure consistent performance across production runs, while the established AR-15 design provides access to the largest selection of aftermarket parts and accessories in the industry.