CMMG Inc Ejector Kit MK9. These Gun Parts by CMMG are built with a 2 percent larger opening for larger bullets allowing you to easily eject your casings. While many CMMG weapon accessories require some basic tools to install this CMMG Inc Mk9 Ejector Kit provides a more permanent solution. The CMMG Inc Replacement Ejector Kit is perfect for a one-time replacement or to always have on hand for emergencies. Pick up your CMMG Mk9 Ejector Kit today to improve your firearm. Specifications for CMMG Inc MK9 Ejector Kit: Manufacturer: CMMG Gun Make: CMMG Gun Model: CMMG Mk9 Package Contents: CMMG Inc MK9 Ejector Kit What firearm models does the manufacturer say CMMG Inc MK9 Ejector Kit is compatible with? The manufacturer suggests that CMMG Inc MK9 Ejector Kit is compatible with CMMG Mk9CMMG Inc 90CA5C7: Ejector KitMK9