CMMG DISSENT Mk4 300BLK 16.1in Upper Receiver 1-7 Twist 25.5in 5/8×24 TPI .750in Coyote Tan

CMMG DISSENT Mk4 300BLK 16.1in Upper Receiver 1-7 Twist 25.5in 5/8×24 TPI .750in Coyote Tan. 30 Cal power to suit their taste. From subsonic to supersonic loadings with a long list of bullet types to match the 16.1″ barrel on this DISSENT upper group extracts every bit of performance without compromise. Perfect for swapping calibers on your existing DISSENT lower or starting a new build that ditches the AR buffer tube. Utilizing our patent pending direct impingement Compact Action DISSENT upper groups house the entire action and recoil assembly in the upper receiver resulting in less bulk and length than traditional AR pistols. The forward non-reciprocating side charger allows for quick bolt operation without coming off target. Direct impingement DISSENTS come equipped with a left side charger standard. Right side charging handles for DI models are available here. All DISSENT Upper groups include a 1913 Picatinny rail end plate to use in place of the lower receiver buffer tube. Specifications for CMMG DISSENT Mk4 300BLK 16.1in Upper Receiver: Manufacturer: CMMG Caliber: .300 AAC Blackout Overall Length: 25.5 in Barrel Length: 16.1 in Barrel Twist Rate: 1-7 Threads per Inch: 5/8×24 Muzzle Device: CMMG Zeroed Muzzle Brake Fabric/Material: Aluminum Gas Block Journal Size-Diameter: .750 in Gun Rail: M-LOK Weight: 4.85 lb Magazine Included: No Package Contents: CMMG DISSENT Mk4 300BLK 16.1in Upper Receiver CMMG 30B125B-CT: DISSENT Mk4 300BLK 16.1in Upper Receiver 1-7 Twist 25.5in 5/8×24 TPI .750in Coyote Tan