Diamondback DB15 5.56 NATO 16 in M-LOK

The Diamondback DB15 Obsidian is a modern sporting rifle chambered for 5.56 NATO and designed for versatile use at the range, in training, and for personal defense. The platform balances reliability and modularity with a mid-length gas system and AR-style ergonomics suited to multiple applications.

The rifle is built on forged 7075-T6 aluminum receivers with a 16-inch 4150 chrome-moly-vanadium barrel finished in black nitride. It is equipped with a 15-inch anti-rotation M-LOK handguard, Magpul MOE-K2 grip, and Magpul CTR adjustable stock for familiar handling and accessory mounting options.

Key Specifications

• The caliber is 5.56 NATO.
• The barrel length is 16 inches.
• The rate of twist is 1:8 right-hand.
• The gas system is mid-length.
• The bolt carrier group is a shot-peened, magnetic particle inspected Mil-Spec 8620 carrier.
• The receivers are made from 7075-T6 aluminum.
• The handguard is a 15-inch M-LOK anti-rotation V4 S-rail with full Picatinny and QD mounts.
• The stock and grip are a Magpul CTR stock and Magpul MOE-K2 grip.
• The magazine capacity is 30+1 rounds with a Magpul Gen M3 PMAG included.
• The muzzle device is a DB Obsidian muzzle brake with 1/2×28 threads.

With its feature set and platform familiarity, the Diamondback Firearms DB15 5.56 NATO provides a practical, adaptable AR rifle option for shooters seeking a capable range and duty-style rifle. Buy the Diamondback Firearms DB15 5.56 NATO online today to add a well-specified AR platform to your collection.