Diamondback Firearms DB15 Carbon Series is a 5.56 NATO semi auto rifle with a 16 in black nitride barrel finished in Tiger Stripe Camo Cerakote. Built with a mid-length gas system and a 15 in M-LOK handguard it's set up for modern optics and accessory use with familiar AR-style controls. A Magpul MOE grip Magpul MOE PR stock and a 30-round PMAG round out a ready-to-run range and training configuration.Key Features 5.56 NATO chambering 16 in 4150 CrMov black nitride barrel 1:8 RH twist Mid-length gas system 15 in M-LOK rail A2 flash hider with 1/2x28 muzzle threads 30+1 capacity No sightsDiamondback Firearms builds American-made AR-platform firearms focused on dependable function and practical feature sets. The brand is known for pairing common compatibility with modern rails optics-ready uppers and value-forward configurations across multiple finishes and trim levels. Diamondback rifles are designed for consistent performance for training and range use with familiar controls and straightforward maintenance.