The Diamondback Obsidian DB15 is a compact AR-style pistol built for controlled handling and accessory versatility. Chambered in 5.56 NATO, it pairs an 11.5-inch 4150 Chrome-Moly Vanadium barrel with an 11-inch M-LOK anti-rotation handguard and an SB Tactical SBA5 brace for stabilized operation in a short overall package. The platform uses a carbine-length direct impingement gas system and a Mil-Spec bolt carrier group for familiar AR performance.
Key Specifications
- Chambering: 5.56 NATO.
- The barrel measures 11.5 inches and is made from 4150 Chrome-Moly Vanadium with a black nitride finish.
- Rate of twist is 1:8 right-hand.
- Gas system: Carbine-length direct impingement.
- Bolt carrier group: Shot-peened, magnetic particle inspected Mil-Spec 8620 carrier.
- Upper receiver: A3 flattop forged 7075 T-6 aluminum, T-marked.
- Lower receiver: Forged 7075 T-6 aluminum with Magpul MOE enhanced trigger guard.
- Handguard: 11 inch M-LOK Anti-Rotation V4 S-Rail with full Picatinny and QD mounts.
- Brace: SB Tactical SBA5 pistol stabilizing brace.
- Magazine/Capacity: includes a Magpul Gen M3 PMAG with a capacity of 30 + 1 rounds.
Well-suited to shooters seeking a short, adaptable platform, the DB15 Obsidian balances compact dimensions with accessory compatibility and familiar AR ergonomics. Its combination of a nitride-finished 11.5-inch barrel, M-LOK handguard, and SBA5 brace provides a practical setup for close-quarters carry, range work, or modular builds where a compact AR-style pistol 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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