Diamondback DB15 Obsidian 5.56 NATO 11.5in SBA5 Brace ODG

The Diamondback DB15 Obsidian is an AR-style semi-automatic pistol configured for compact performance and modular accessory mounting. It is chambered for .223 Rem / 5.56 NATO and uses a carbine-length gas system. The package includes an 11.50" threaded 4150 Chrome Moly Vanadium barrel with a Black Nitride finish, an 11" M-LOK handguard, SB Tactical SBA5 brace and a Magpul Gen M3 PMAG.

Key Specifications

• Chambered in .223 Rem / 5.56 NATO.
• The barrel measures 11.50 inches and is made from 4150 Chrome Moly Vanadium with a Black Nitride finish.
• The handguard is an 11-inch M-LOK Anti-Rotation V4 S-Rail with full Picatinny and QD mounts.
• Equipped with an SB Tactical SBA5 Brace.
• Includes Magpul Gen M3 PMAG with 30 + 1 capacity.
• The barrel has a 1:8 RH twist.
• Uses a carbine-length direct impingement gas system.
• Upper and lower receivers are forged 7075 T-6 aluminum.
• Standard trigger and a listed weight of 6.25 lb.

The DB15 Obsidian is configured for compact range work and close-quarters applications where a short-barreled, highly accessory-capable platform is desired. Its 11.5" threaded barrel, modular M-LOK rail and full Picatinny options allow for straightforward optics and accessory integration while the SBA5 brace and Magpul ergonomics provide familiar handling and control. This package is focused on utility and adaptability for shooters who prioritize a compact AR-style pistol with modern components.