This CMMG Pistol Caliber Carbine lower receiver can be used to build your own custom version of the new radial delayed blowback GUARD in 9MMThis MkGS GUARD Lower Receiver Assembly will allow you to build a Pistol Caliber Carbine that operates on Glock style magazines. It has a last round hold open that utilizes our Patent Pending Bolt Catch Linkage System for consistent, reliable function. An Oversized Magazine Catch that allows for fast, and easy mag changes every time. The MkGS series is a great platform to base your PCC build on!
CMMG MkGS Lowers are designed to work exclusively with our MkGS Uppers. Other manufacturers uppers may work, but we cannot guarantee function or reliability.
This item MUST ship to an FFL. Please see our purchasing guidelines for more information.