CMMG Mk9 9mm Parts Kit

CMMG Mk9 9mm Parts Kit provides Mk9 platform lower receiver compatibility for 9mm builds. This kit modifies 9mm barrels to be compatible with Mk9 lower receivers; barrels stamped 9mm Luger will be compatible with an upgraded Mk9 lower. If your barrel is marked 9x19 NATO, you will need to purchase a new 9mm barrel to ensure reliable function. Specifications: Caliber 9mm Luger, Gas System Length Carbine Length, Flutes No. Package Contents: CMMG Mk9 9mm Parts Kit. Availability: Two orderable variants are available, 91AFF43 with ASC/CPD mags and 91AFF52 with Colt/Metalform mags. Color Black, Condition New.