Diamondback Firearms DB1721K061 DB15 Combo 5.56 NATO 16" 31-Round Carbine

The Diamondback Firearms DB1721K061 DB15 Combo 5.56 NATO 16" carbine delivers reliable semi-automatic firepower in a compact, mission-ready platform. Designed for law enforcement, military personnel, and civilian shooters who demand accuracy and dependability in high-stress environments, this rifle combines proven AR-pattern ergonomics with Diamondback's quality manufacturing. The 16-inch barrel offers the ideal balance between velocity retention and maneuverability, making it equally effective for tactical operations, home defense, or sport shooting applications. At 11.8 pounds fully assembled, the DB15 remains controllable during extended training sessions or deployment scenarios without sacrificing structural integrity.

The DB15 platform features 5.56 NATO/.223 Remington chamber compatibility, engineered for consistent accuracy and reliability across diverse ammunition types. The combo configuration includes a 31-round magazine capacity, providing substantial firepower for defensive or training purposes while maintaining the shallow profile necessary for tactical load-bearing equipment. The flat-top receiver design accepts standard AR Picatinny rail optics and accessories without compromise, enabling shooters to customize the rifle for specific mission requirements. Diamondback's manufacturing standards ensure proper bolt carrier group function, gas tube reliability, and component tolerances that support accuracy at intermediate ranges—critical for both precision work and rapid-fire scenarios.

This rifle is ideal for shooters transitioning from military or law enforcement platforms who value familiarity and standardized controls. The DB15's modular design supports common aftermarket triggers, stocks, handguards, and charging handle upgrades, allowing operators to tailor ergonomics to individual preferences or unit specifications. Maintenance follows standard AR-15 protocols—field stripping, cleaning, and reassembly require no specialized tools or gunsmithing knowledge. The 31-round magazine included with this combo setup ensures you're ready for immediate use out of the box, whether for training, competition, or preparedness. Compatible with standard 5.56 NATO ammunition, the DB1721K061 delivers professional-grade performance at a practical price point.