Diamondback Firearms DB15 5.56 NATO 11.5in ODG

The Diamondback Firearms DB15 is an AR-style pistol built around compact 5.56 NATO performance for range, training, and compact duty applications. Its Obsidian-series configuration combines a short, 11.5" barrel with modern furniture to provide a maneuverable platform with consistent 5.56 NATO performance.

The DB15 Obsidian is finished in OD Green Cerakote and uses a forged 7075 T-6 aluminum upper and lower for a familiar AR ergonomics and feel. The pistol is fitted with an 11" M-LOK Anti-Rotation V4 S-Rail featuring full Picatinny and QD mounts, a Magpul MOE K2 grip, and an SB Tactical SBA5 brace for compact control.

Key Specifications

• The caliber is .223 REM/5.56 NATO.
• The barrel length is 11.50", made from 4150 Chrome-Moly Vanadium with a Black Nitride finish.
• The rate of twist is 1:8" RH.
• The gas system is Carbine-Length Direct Impingement.
• The action is Semi-Auto.
• The receiver is Forged 7075 T-6 Aluminum.
• The handguard is 11" M-LOK Anti-Rotation V4 S-Rail with full Picatinny and QD mounts.
• The stock/brace is SB Tactical SBA5 Brace.
• The magazine capacity is 30 + 1 and it includes a Magpul Gen M3 PMAG 30 Round.
• The overall weight is 6.25 lbs and the overall length is 28.25" (collapsed) / 31" (extended).

The DB15 Obsidian ships with a DB Obsidian muzzle brake threaded for 1/2x28 and a standard Mil-Spec trigger and BCG. This configuration delivers compact 5.56 NATO performance with proven AR components and modern modularity.

Buy the Diamondback Firearms DB15 5.56 NATO online today for a compact AR-style pistol option with Obsidian-series features and Magpul accessory compatibility.