The Diamondback DB15 (brand part no. DB1790K005) is a semi-automatic AR-15-platform rifle chambered in 5.56 NATO, built around a 16-inch, 1:8-twist barrel and finished in black hardcoat anodize. Diamondback Firearms builds the DB15 on forged 7075 T-6 aluminum upper and lower receivers with a carbine-length gas system and a shot-peened, magnetic-particle-inspected mil-spec bolt carrier group. Among semi-automatic rifles in the semi-auto rifles category, the DB15 favors buyers who want a Magpul-equipped, mil-spec 5.56 carbine from Diamondback Firearms.

Key Specifications

• Chambered in 5.56 NATO.
• Rate of twist is 1:8-inch, right-hand.
• Features a 16-inch 4150 CrMoV barrel with a black nitride finish.
• Runs a carbine-length gas system.
• Built with a forged 7075 T-6 aluminum upper and lower.
• Equipped with a 15-inch M-LOK free-float handguard.
• Fitted with a Magpul MOE grip and carbine stock.
• Ships with a Magpul Gen M3 PMAG, 10-round magazine.
• Muzzle threaded 1/2×28 and topped with an A2 flash hider.
• Weighs approximately 6.6 pounds.

Frequently Asked Questions

What handguard does this rifle use? A 15-inch M-LOK free-float handguard.

What magazine ships with this rifle? A Magpul Gen M3 PMAG with a 10-round capacity.

Does it come with sights? No, it ships with no sights, on an A3 flattop upper ready for an optic.

Buy the Diamondback DB15 Rifle

A mil-spec, Magpul-equipped 5.56 carbine is exactly what the DB15 delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.