The Diamondback DB15 Obsidian is a compact AR-style pistol built on forged 7075 T-6 aluminum receivers and chambered in 5.56 NATO. It features an 11.50″ threaded barrel, an 11″ M-LOK anti-rotation handguard with Picatinny and QD mounts, and an SB Tactical SBA5 pistol stabilizing brace finished in Flat Dark Earth (FDE) Cerakote. Configured with Magpul ergonomics and a carbine-length gas system, the DB15 Obsidian serves well for range work, training, and other compact utility roles.
Key Specifications
- The chambering is 5.56 NATO.
- The action is Semi-Auto.
- The barrel measures 11.50 inches and is threaded 1/2×28.
- The barrel is made of 4150 Chrome-Moly Vanadium with a Black Nitride finish.
- The rate of twist is 1:8 RH.
- The gas system is a Carbine-length, direct impingement system.
- The handguard is an 11 inch M-LOK Anti-Rotation V4 S-Rail with full Picatinny and QD mounts.
- The magazine capacity is 30 + 1 rounds and includes one 30-round Magpul Gen M3 PMAG.
- The unloaded weight is 6.25 lb.
- The stock/brace is an SB Tactical SBA5 Brace in FDE.
Built with common, serviceable components and a compact profile, the DB15 Obsidian offers a practical AR-style pistol package for shooters who prioritize reliability, modularity, and modern ergonomics. Its 11.50″ threaded barrel, M-LOK handguard, and included Magpul magazine provide a ready platform for range use, training, and other compact duty roles where a short‑stroke AR configuration is preferred.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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