The Diamondback Firearms DB15 is a semi-automatic rifle chambered in .300 AAC Blackout. It combines a 16-inch threaded barrel with a 15-inch aluminum M-LOK rail, B5 Multicam furniture, and an adjustable overall length. The rifle is configured without sights and includes one Gen 2 PMAG.

Key Specifications

• The rifle uses a semi-automatic action for its operating system.
• The chambering is .300 AAC Blackout.
• The barrel measures 16 inches and features a threaded muzzle.
• The barrel has a 1-in-8 twist rate.
• The rifle accepts magazines with a 30-round capacity.
• The handguard is a 15-inch aluminum M-LOK rail.
• The stock and grip use B5 Multicam furniture, including the B5 Multicam vertical foregrip.
• The receiver is made from forged 7075-T6 aluminum.
• The finish is ODG and black hardcoat anodized.
• The unloaded rifle weighs 6.2 pounds and has an overall length from 32.5 to 35.75 inches.

With its .300 AAC Blackout chambering, threaded barrel, adaptable M-LOK rail, and B5 furniture, the DB15 offers a straightforward configuration for range use and other lawful sporting applications. Its defined feature set provides a practical platform for shooters who value familiar controls, modular accessory mounting, and clearly stated specifications.

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