CMMG Magazine, 5.7X28MM, 32 Rounds, Fits CMMG MK4/AR15, Matte Finish, Black 54AFCC8 Available to order on-line. Ships in 5-14 days $39.32
CMMG DISSENT, Complete Upper Receiver, 5.7X28MM, 6.5" Threaded Barrel, 1/2x28, 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 Available to order on-line. Ships in 5-14 days $1,449.95
CMMG DISSENT, Complete Upper Receiver, 5.7X28MM, 6.5" Threaded Barrel, 1/2x28, CMMG Zeroed Linear Compensator, Cerakote Finish, Charcoal Green, M-LOK Free Float Handguard, Fits AR-15/CMMG MK57 Lower Receiver, Includes 1913 Picatinny Rail End Plate 57BA8AE-CG Available to order on-line. Ships in 5-14 days $1,449.95
Ruger Magazine, 5.7X28MM, 20Rd, Black, Fits Ruger-57, 2 Pack 90711 Available to order on-line. Ships in 5-14 days $64.42