The Diamondback Firearms DB15 .300 Blackout AR Rifle, 16in (Diamondback Firearms part no. DB176AB001) is a AR-pattern semi-auto rifle in .300 AAC Blackout. .300 Blackout was designed to deliver .30-caliber performance out of a standard AR-15 magazine and bolt carrier Shooters who need a AR rifle for home defense, hunting, or general-purpose range use will notice the 30-round magazine and 16 inch barrel keep the rifle compliant and easy to maneuver while staying full-power

Key Specifications

• .300 AAC Blackout chambering delivers .30-caliber performance from a standard AR-15 platform.
• 16-inch barrel keeps the rifle legal-length and easy to maneuver.
• 30-round magazine capacity gives a full-size magazine’s worth of firepower.
• Semi-auto direct-impingement action is the same proven operating system found across the AR platform.
• M-LOK handguard lets you mount lights, lasers, or a foregrip directly to the rifle.

Frequently Asked Questions

What caliber is the DB15 chambered in? It’s chambered in .300 AAC Blackout.

What barrel length does this DB15 have? It has a 16-inch barrel.

Buy the Diamondback DB15 .300 Blackout AR Rifle, 16in

Order the Diamondback DB15 .300 Blackout AR Rifle, 16in through our AR-platform rifles lineup and we’ll ship it fast, insured, straight to your FFL of choice. Diamondback Firearms built it to work, not just to look good on a rack, and it shows in the details.