Diamondback DB15 .300 AAC Blackout 10-inch

The Diamondback DB15 chambered in .300 AAC Blackout is a compact, semi-automatic rifle designed for short-range shooting and general range use. Its configuration balances compact handling with cartridge performance for users who require a shorter-barrel platform.

The DB15 pairs a forged 7075 T-6 aluminum upper and a Diamondback carbon lower with a 9-inch M-LOK handguard to provide a lightweight, modular chassis. Ergonomics include a Magpul-style Moe grip and a padded buffer tube for a comfortable, controllable feel during operation.

Key Specifications

• The action is Semi-Auto.
• The caliber is .300 AAC Blackout.
• The capacity is 28 + 1 rounds.
• The barrel is Diamondback Barrels 10-inch heavy 4150 CrMoV with a black nitride finish.
• The barrel twist rate is 1:8".
• The gas system is Pistol-Length Gas System.
• The bolt carrier group is shot-peened, magnetic particle inspected Mil-Spec 8620 carrier.
• The upper receiver is A3 flattop forged 7075 T-6 aluminum.
• The lower receiver is forged 7075 T-6 aluminum (Diamondback Carbon).
• The handguard is 9-inch M-LOK rail.

The muzzle device is an A2 flash hider threaded at 5/8 x 24, and the rifle ships without sights to allow user-selected optics. Magazine provision is listed as a 28-round CPD to support extended use between reloads.

Buy the Diamondback Firearms DB15 .300 AAC Blackout online today for a compact .300 AAC Blackout platform with straightforward AR-style ergonomics and modular M-LOK accessory compatibility.