The Diamondback Carbon DB15 in 5.56 NATO (MPN DB1717K131), finished in FDE, is engineered around a 16-inch 4150 CrMoV steel barrel with a 1-in-8 twist rate for accuracy across .223 Rem and 5.56 NATO loads. Diamondback fits the carbine with a collapsible FDE Magpul MOE stock and matching MOE grip, a 15-inch aluminum M-LOK handguard for accessories, and an A2 flash hider to reduce muzzle flash. The rifle feeds from a 30-round magazine and uses a manual thumb safety. Among AR-pattern rifles in the AR rifles category, the DB15 favors both new and experienced shooters who want a reliable, ergonomic 5.56 carbine.

Key Specifications

• Chambered in .223 Rem/5.56 NATO.
• Features a 16-inch 4150 CrMoV steel barrel with a 1-in-8-inch twist rate.
• Feeds from a detachable magazine with a 30-round capacity.
• Ships with one Gen 2 Magpul PMAG.
• Rides on a collapsible FDE Magpul MOE stock with a matching MOE grip.
• Includes a 15-inch aluminum M-LOK handguard.
• Finished with an A2 flash hider to reduce muzzle flash.
• Uses a manual thumb safety.
• Operates as a semi-automatic AR-platform action.

Frequently Asked Questions

Does this rifle include a magazine? Yes, it ships with one Gen 2 Magpul PMAG.

What stock does this rifle use? A collapsible FDE Magpul MOE stock with a matching MOE grip.

What twist rate does the barrel use? A 1-in-8-inch twist, tuned for a wide range of .223/5.56 bullet weights.

Buy the Diamondback Carbon DB15 5.56 NATO Rifle

A reliable, ergonomic 5.56 carbine built for new and experienced shooters alike is exactly what the DB15 delivers. As soon as it’s ready to ship, order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.