The Crest Carbon is born from a stock crafted entirely in carbon fiber with an internal spine making it the pinnacle of strength and rigidity. This 100% carbon fiber stock is designed with industry-leading technologies to withstand anything you throw at it. - The Crest stock also incorporates length-of-pull spacers and our M5 cutout which provides users with a unique versatility to seamlessly transition from AICS magazine to a traditional floorplate. This stock now combined with our CURE carbon fiber barrel sets a new standard in durability and performance. - Barrel - CURE Carbon Barrel No. 6 Barrel Taper Threaded 5/8�24 with Omni Muzzlebrake - Finish Sniper Grey Cerakote� - Stock 100% Carbon Fiber with Carbon Spine