CMMG MK4, Semi-automatic, Stripped Lower Receiver, 223 Remington/556NATO, Cerakote Finish, Armor Black 55CA102-AB
CMMG MK4, Semi-automatic, Stripped Lower Receiver, 223 Remington/556NATO, Cerakote Finish, Armor Black 55CA102-AB, Shop CMMG MK4, Semi-automatic, Stripped Lower Receiver, 223 Remington/556NATO, Cerakote Finish, Armor Black 55CA102-AB. Buy best Lower Receivers & Frames from gritrsports.com | Reviews and Shipping options available