Cmmg Dissent, Complete Upper Receiver, 5.7x28mm, 6.5" Threaded Barrel, 1/2x28, Cmmg Zeroed Linear Compensator, Cerakote Finish, Midnight Bronze, M-lok Free Float Handguard, Fits Ar-15/cmmg Mk57 Lower Receiver, Includes 1913 Picatinny Rail End Plate 57ba8ae-mb
