The Diamondback DB15 Carbon Pistol in .300 Blackout is a 10-inch AR pistol dressed in Flat Dark Earth Cerakote (Diamondback part no. DB1916B061). A forged A3 flattop upper rides on a forged Diamondback Carbon lower, topped by a 9-inch M-LOK handguard and finished at the rear with an SB Tactical SBA3 brace. An A2 flash hider threaded 5/8×24 sits at the muzzle of a heavy-profile 4150 CrMoV barrel. The pistol is a good match for shooters who want a short barrel and suppressor-friendly performance, offered by Diamondback. A 30-round magazine and a Magpul MOE grip come with it.

Key Specifications

• The chambering is .300 Blackout, a compact-rifle cartridge designed for short barrels and suppressed use.
• The barrel is 10 inches with a 1:8 right-hand twist and a heavy profile, a short, handy length for a pistol-format AR.
• The barrel is 4150 CrMoV steel with a black nitride finish, a treatment that resists wear and corrosion.
• The gas system is pistol-length, matched to the 10-inch barrel.
• The handguard is a 9-inch M-LOK rail, with slots for lights, grips and other accessories.
• The rear of the pistol carries an SB Tactical SBA3 pistol brace, a brace that gives a steadier hold than a bare buffer tube.
• The muzzle device is an A2 flash hider threaded 5/8×24, with threads that accept other 5/8×24 muzzle devices.
• The upper is an A3 flattop forged from 7075-T6 aluminum, with a forged 7075-T6 Diamondback Carbon lower, a strong receiver set with a full-length top rail.
• The magazine is a Magpul Gen M3 PMAG holding 30 rounds, a proven polymer magazine.
• The finish is Flat Dark Earth Cerakote, a durable coating on the receivers.

Frequently Asked Questions

What magazine does it use? Diamondback lists a Magpul Gen M3 PMAG holding 30 rounds for this model.

Does it have iron sights? No. Diamondback lists no sights, and the A3 flattop upper is ready for the optic or back-up sights you choose.

How long is the handguard? It is a 9-inch M-LOK rail, so lights and accessories mount directly to the slots.

Buy the Diamondback DB15 Carbon Pistol, .300 Blackout, 10-Inch, FDE Cerakote, SBA3 Brace

A clean, ready-to-accessorize platform like this ships from our Lubbock, Texas gun shop to your FFL, and our AR pistols page has more to compare.