Diamondback DB15 DB175AK591 | 5.56 NATO | 16-inch

The Diamondback DB15 (DB175AK591) is a semi-automatic AR-style rifle chambered for .223 REM/5.56 NATO with a 16-inch threaded barrel and a carbon lower. It is built from CNC-machined components, uses a carbine-length gas system and an A2 flash hider, and carries familiar AR controls and Magpul furniture. This configuration is well suited to range training and competitive shooting where a reliable, straightforward AR platform is preferred. For a practical optic pairing under $1000, consider a Vortex Strike Eagle 1-8×24 for flexible close-to-medium-range work.

Product Specifications

• The caliber is .223 REM/5.56 NATO.
• The capacity is 30 + 1 rounds.
• The barrel length is 16 inches.
• The barrel is described as threaded.
• The rate of twist is 1:8.
• The action is Semi-Auto.
• The rifle is configured for Right Hand use.
• The weight is 6.65 lbs.
• The overall length is 32.50″-35.75″.
• The trigger is Mil-Spec.
• The stock is a Magpul Carbine description and finish group is Black.
• The muzzle device is an A2 Flash Hider.
• The finish style is Blued/Black.
• The primary material is Aluminum.
• The UPC is 810035755918.

The DB15 presents a familiar, serviceable AR platform with practical features: a 15-inch M-LOK handguard for accessory mounting, Magpul furniture for proven ergonomics, and a 4140 chrome moly barrel for routine use. Its straightforward parts set and common interface make it easy to run as-built or to customize over time with optics, furniture, or upgraded controls. The DB15 is a practical choice for shooters who value a no-nonsense AR that is ready for the range or competitive stages.

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