Diamondback Obsidian DB15 5.56 NATO 16in Rifle

The Diamondback Obsidian DB15 is a semi-automatic rifle chambered in 5.56 NATO. It features a 16-inch threaded barrel, a 15-inch M-LOK anti-rotation handguard, and Brown/FDE finishes. The configuration is suited to range use and practical rifle applications.

Key Specifications

• The chambering is 5.56 NATO.
• The barrel measures 16 inches and uses a 1:8 right-hand twist.
• The barrel is made from 4150 chrome-moly vanadium and finished in black nitride with FDE Cerakote.
• The gas system is mid-length direct impingement.
• The handguard measures 15 inches and features M-LOK attachment slots, a full Picatinny rail, and QD mounts.
• The receiver set is constructed from forged 7075-T6 aluminum.
• The rifle includes a Magpul CTR carbine stock and Magpul MOE K2 FDE grip.
• The muzzle device is a DB Obsidian muzzle brake with a 1/2x28 thread pattern.
• The rifle weighs 6.60 pounds.
• The overall length is 33 inches collapsed and 36.25 inches extended.

With its practical barrel length, adaptable handguard, forged receivers, and established Magpul furniture, the Obsidian DB15 provides a straightforward configuration for buyers seeking a capable 5.56 NATO rifle with useful factory features.

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