The 5.7x28mm personal defense cartridge has found home with the purposefully designed 6.5′” DISSENT upper group'” all you need is a Mk4/mil-spec AR15 lower receiver or CMMG Mk57 lower receiver. All DISSENT uppers include a lower receiver 1913 picatinny rail end plate'” Cerakote finish and CMMG”s Zeroed Linear Compensator. With a compact action radial delayed blowback operating system and their proprietary bolt carrier group the DISSENT complete upper receiver from CMMG is ready for your next build!
CMMG DISSENT, Complete Upper Receiver, 5.7X28MM, 6.5″ Threaded Barrel, 1/2×28, CMMG Zeroed Linear Compensator, Cerakote Finish, Armor Black, M-LOK Free Float Handguard, Fits AR-15/CMMG MK57 Lower Receiver, Includes 1913 Picatinny Rail End Plate 57BA8AE-AB
