Diamondback DB15 5.56 NATO 16″ KAC CHF 30+1rd

The Diamondback DB15 is built around a Knights Armament cold hammer-forged barrel blank finished and assembled by Diamondback Firearms. Chambered for 5.56 NATO, this 16-inch DB15 pairs a mid-length gas direct-impingement system with a 15-inch anti-rotation M-LOK rail and Magpul furniture for a balance of accuracy, durability, and modularity. Its components and layout make it well suited for range use, training, and general modern sporting rifle applications.

Key Specifications

• The caliber is listed as .223 REM / 5.56 NATO.
• The barrel measures 16 inches and is a Knights Armament cold hammer-forged blank with a chrome-lined, phosphate-treated bore.
• The rate of twist is 1:7 RH.
• The gas system is a mid-length direct impingement design.
• The stock is a Magpul CTR collapsible carbine stock.
• The pistol grip is listed as a Magpul MOE K2 grip.
• The handguard is a 15-inch M-LOK anti-rotation S-rail with full Picatinny on top.
• The rifle ships with one Magpul Gen M2 30-round PMAG.
• The muzzle device is an A2 flash hider with a 1/2×28 thread pattern.
• The weight is listed as 6.53 lbs and overall length is 32 in (collapsed) / 35.5 in (extended).

Engineered around premium components and a proven platform, the DB15 offers a practical combination of a durable cold hammer-forged barrel, user-oriented ergonomics, and modern accessory compatibility. Its specification set supports responsible range performance and modular customization while maintaining the straightforward functionality expected from a purpose-built modern sporting rifle.

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