CMMG 99CA2F6-AB MkGs Lower Receiver Assembly

Inspired by the success of the original MkG, the MkGs lower receiver is designed to accept either 9mm or .40 S&W Glock and SGM magazines. Features include an integrated trigger guard, last round bolt hold open, oversized magazine release, flared magwell, and multiple finish options. The MkGs lower receiver can utilize any AR-15 mil-spec Lower Parts Kit or Drop-in Trigger of choice, making the MkGs an incredibly customizable multi-caliber lower receiver.