Diamondback DB15 Black Gold — 5.56 NATO, 16″ Barrel

About this product

Built on the AR-style platform, the Diamondback DB15 is a semi-automatic rifle chambered for 5.56 NATO with a 16″ medium-profile 4150 chrome-moly barrel finished in black nitride. The rifle uses a mid-length gas system and a shot-peened Mil-Spec 8620 bolt carrier group housed in forged 7075 T-6 aluminum receivers. Ergonomics are driven by a 15″ M-LOK V-rail handguard, Magpul MOE-K2 grip and Magpul CTR stock, and the package ships with a Gen 2 PMAG 30-round magazine and a threaded flash hider.

Key Specifications

• The action is Semi-Auto.
• The caliber is .223 Rem / 5.56 NATO.
• The barrel measures 16″ and is described as a medium contour 4150 chromoly steel with a black nitride finish.
• The rate of twist is 1:8 RH.
• The gas system is Mid-length.
• The receivers are Forged 7075 T-6 Aluminum.
• The handguard is a 15″ M-LOK V-rail.
• The stock is a Magpul CTR and the grip is a Magpul MOE-K2.
• The magazine capacity is 30 + 1 and it ships with one Gen 2 PMAG 30rd.
• The unloaded weight is listed as 6.8 lbs.

Designed for reliability and compatibility with common AR accessories, the DB15 delivers a familiar control layout and modular ergonomics suitable for range use, training, and other responsible rifle applications. Its combination of a nitrided 16″ barrel, mid-length gas system and a 15″ M-LOK platform gives a balance of handling and accessory flexibility for owners who value straightforward performance and upgrade potential.

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