CMMG MK4T SBN Upper, Fits AR, 223 Rem/556NATO, 16" Barrel, A2 Brake, Flat Top, CMMG RKM11 KeyMod Handguard, Black 55BC76A Out of stock. Check back later... $659.00
CMMG MK4, Upper Receiver, 223 Remington/556NATO, Billet 7075-T6 Aluminum, Cerakote Finish, Armor Black 55BA206-AB Out of stock. Check back later... $135.42