CMMG DISSENT Upper Receiver 9mm 10.5in 1-10 Twist 1/2x28 Thread Zeroed Linear Compensator Midnight Bronze. Some of you just want to be like Dirty Harry. You want your favorite handgun caliber but you want that nice longer barrel. Well wait no longer The all-new DISSENT 9mm Upper is available in with a 10.5 barrel So go ahead make your day by completing your 9mm DISSENT build in a way that Dirty Harry would be proud. Its no secret that pistol stabilizing braces have been a target for scrutiny over the years and those that enjoy building their own AR pistols have wondered what will come out of all the uncertainty. DISSENT is our answer. Utilizing our patent pending Compact Action and Radial Delayed Blowback technology with fixed ejector 9mm DISSENT upper group houses 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. DISSENT Upper groups include a 1913 Picatinny rail end plate to use in place of the lower receiver buffer tube. Specifications for CMMG DISSENT 9mm 10.5in Upper Receiver: Manufacturer: CMMG Caliber: 9mm Luger Barrel Length: 10.5 in Barrel Twist Rate: 1-10 Threads per Inch: 1/2x28 Muzzle Device: Zeroed Linear Compensator Fabric/Material: Aluminum Gun Rail: M-LOK Gun Make: CMMG Condition: New Condition Quality: Excellent Condition Details: Other Magazine Included: No Package Contents: CMMG DISSENT 9mm 10.5in Upper Receiver CMMG 99B80E4-MB: DISSENT Upper Receiver 9mm 10.5in 1-10 Twist 1/2x28 Thread Zeroed Linear Compensator Midnight Bronze