The Diamondback DB15 Carbon Series in .350 Legend (brand part no. DB1718T002) is a semi-automatic AR-15 built for hunting and precision shooting, pairing a 16-inch heavy 4150 Chrome-Moly barrel with a 1-in-8 twist rate and a black nitride finish for enhanced durability. Diamondback Firearms runs a pistol-length direct impingement gas system for smooth cycling, builds the upper from forged 7075-T6 aluminum over Diamondback’s carbon-fiber DB15 lower, and includes a 15-inch M-LOK free-float handguard with anti-slip texture pads. Magpul furniture includes a DT-PR stock and MOE grip, and an A2 flash hider minimizes muzzle flash. The rifle ships with a 5-round CPD magazine, one included. Among AR-platform rifles in the AR rifles category, the DB15 Carbon Series favors hunters who want a lightweight .350 Legend platform.

Key Specifications

• Chambered in the straight-walled .350 Legend cartridge.
• The barrel carries a 1-in-8 rate of twist.
• Features a 16-inch heavy 4150 Chrome-Moly barrel with a black nitride finish.
• Runs a pistol-length direct impingement gas system.
• Built with a carbon-fiber DB15 lower receiver.
• Includes a 15-inch M-LOK free-float handguard with anti-slip texture pads.
• Fitted with a Magpul DT-PR stock and MOE grip.
• Includes an A2 flash hider.
• Feeds from an included 5-round CPD magazine (5+1 capacity).
• Weighs approximately 6.7 pounds.

Frequently Asked Questions

What gas system does this rifle use? A pistol-length direct impingement system for smooth, reliable cycling.

How much does this rifle weigh? Approximately 6.7 pounds, light for a .350 Legend AR platform.

Buy the Diamondback DB15 Carbon Series .350 Legend

A lightweight, carbon-lower .350 Legend AR platform is exactly what the DB15 Carbon Series delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.