Diamondback Firearms Db15 Combo 5.56 16" 30-Round Carbine

The Diamondback Firearms DB15 Combo 5.56 16" 30-Round Carbine is a modern intermediate rifle purpose-built for home defense, tactical training, and sport shooting applications. Designed around the proven AR-15 platform, this compact carbine delivers the accuracy and reliability demanded by law enforcement trainers and military-experienced shooters who require a dependable 5.56 NATO rifle for both duty and civilian use. The 16-inch barrel strikes the balance between velocity retention and maneuverability that defines practical carbine deployment in confined spaces.

This DB15 platform features a direct impingement operating system engineered for consistency and ease of maintenance—critical traits for operators running high round counts during qualification cycles or tactical drills. The 16-inch 5.56 NATO barrel provides velocity sufficient for duty-range engagements while the 30-round magazine capacity aligns with standard law enforcement and military loadout expectations. At 6.56 pounds unloaded, the carbine remains controllable during prolonged shooting sessions without fatigue penalty, and its 39.75-inch overall length accommodates vehicle transport and room-clearing scenarios. The combo package integrates essential components to get into operation immediately upon delivery.

Law enforcement armories, military training facilities, and experienced civilian shooters benefit from the DB15's modularity—the flat-top receiver accommodates optics, night vision, and tactical accessories without proprietary adapters. First-time AR-platform operators appreciate the straightforward ergonomics and parts commonality with standard NATO-configuration rifles. The 5.56 cartridge remains the NATO standard, ensuring ammunition availability and ballistic predictability across training and duty environments. This carbine performs reliably with quality factory or remanufactured 5.56 ammunition and supports both semi-automatic operation and tactical employment within all legal jurisdictions.