CMMG MK9 Stripped 9mm Lower Receiver - Black - (DISCONTINUED)

CMMG MK9 Stripped 9mm Lower Receiver for Use with Radial Delayed Blowback Uppers The CMMG MK9 is a semi-automatic stripped 9mm AR-style lower receiver constructed from 7075-T6 aluminum. It features CMMG's patented Radial Delayed Blowback operating system for reduced felt recoil. This lower is designed to accept Colt SMG-style 9mm magazines and is compatible with [...]