Description
The Diamondback DB15 AR Pistol in .300 Blackout is purpose-built for close-quarters performance, delivering hard-hitting capability in a compact, maneuverable pistol platform. Designed and manufactured in the USA, the DB15 combines mil-spec components with Diamondback’s proven engineering for a firearm that serious shooters can depend on.
At its core is a 10-inch DB Barrels heavy profile 4150 CrMoV steel barrel with a 1:8 right-hand twist and Black Nitride finish, optimized for the .300 ACC Blackout cartridge whether running supersonic or subsonic loads. The pistol-length gas system pairs with a shot-peened, Magnetic Particle Inspected mil-spec 8620 steel bolt carrier group for reliable cycling and long-term durability.
The forged 7075-T6 A3 flat-top upper and Diamondback Carbon forged 7075-T6 lower provide a lightweight yet rugged foundation. A 9-inch M-LOK free-float handguard offers ample real estate for accessories, lights, and foregrips. The Magpul MOE pistol grip delivers positive control and comfort, while the buffer tube foam pad completes the pistol brace interface. A Magpul Gen M3 PMAG 30-round magazine is included, and an A2 flash hider (5/8×24 thread) manages muzzle signature.
Specifications:
– Caliber: .300 ACC Blackout
– Barrel: 10″ Heavy Profile, 4150 CrMoV, 1:8 RH Twist, Black Nitride
– Gas System: Pistol Length
– BCG: Shot-Peened MPI Mil-Spec 8620 Carrier
– Upper: Forged 7075-T6 A3 Flat-Top
– Lower: Forged 7075-T6 (Diamondback Carbon)
– Handguard: 9″ M-LOK Rail
– Grip: Magpul MOE
– Muzzle Device: A2 Flash Hider (5/8×24)
– Magazine: Magpul Gen M3 PMAG 30rd
– Finish: Black Hardcoat Anodize
– Weight: 5.4 lbs
– Overall Length: 29″
– Sights: None (optics-ready flat-top)
Whether you’re building your first AR pistol setup or adding a hard-hitting compact to your collection, the Diamondback DB15 in .300 Blackout is an exceptional value at a competitive price. Order online today at VanTon Arms and take advantage of our fast nationwide shipping.






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