CMMG MK4 Semi-Automatic Stripped Lower Receiver .223 REM/5.56NATO
Buy your CMMG Lower Receiver Parts at BattleHawk Armory today!Precision machined from forged 7075 T6 aluminum, the CMMG Mk4 AR-15 stripped lower receiver is the quality mil-spec lower ready to be the foundation for your next build. The Mk4 stripped lower comes standard in a Armor Black finish and can be assembled using any mil-spec Lower Parts Kit. This CMMG MK4 Semi-automatic Stripped Lower Receiver is designed for 223 Remington/556NATO.
