CMMG 55BC76A MK4 T 223 Remington/5.56 NATO 16″ 4140 Steel Threaded Black

UPC: 815835015866

*Pricing and availability are subject to change at any time without notice.

When modularity, affordability, and quality are all important the Mk4 T is the upper of choice. The Mk4 T introduces CMMG’s RKM series of KeyMod free-float hand guards and a nitrided 4140 CrMo steel barrel in a medium taper profile.

Out of stock

*Total available from multiple warehouses, Please call for in-store availability.