Diamondback DB15 Obsidian 5.56 NATO 11.5in AR Pistol

The Diamondback DB15 Obsidian is a semi-automatic AR pistol chambered in 5.56 NATO. It combines an 11.5-inch black nitride barrel with an 11-inch M-LOK anti-rotation handguard, a carbine-length direct-impingement gas system, and an SB Tactical SBA5 brace for range use and compact handling.

The forged aluminum receiver set, Magpul MOE K2 grip, Obsidian muzzle brake, and removable 30-round Magpul Gen M3 PMAG provide a practical configuration for shooters seeking a well-equipped modern sporting pistol.

Key Specifications

• The chambering is 5.56 NATO.
• The action is semi-automatic.
• The barrel measures 11.5 inches and uses a 1:8 right-hand twist.
• The barrel is made from 4150 chrome moly vanadium and finished in black nitride.
• The handguard measures 11 inches and features M-LOK attachment slots, full Picatinny rail sections, and QD mounts.
• The gas system is carbine-length direct impingement.
• The receivers are forged 7075-T6 aluminum.
• The pistol includes an SB Tactical SBA5 brace and Magpul MOE K2 grip.
• The included magazine is a 30-round Magpul Gen M3 PMAG.
• The muzzle device is a DB Obsidian muzzle brake with a 1/2x28 thread pattern.

With its compact barrel, adaptable M-LOK rail, forged receiver set, and established AR-platform controls, the DB15 Obsidian delivers a straightforward configuration for range sessions and general sporting use. Its included brace, grip, muzzle device, and 30-round magazine make this model ready for a variety of lawful shooting applications.

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