CMMG Resolute Upper Group 9mm 16.1" Barrel, Black Cerakote - 99BA20FAB

This is a complete upper receiver group for CMMG Mk4, Mk9, Mk17, and MkGs platforms in 9mm caliber. It features a 16.1" 4140CM steel barrel with 1:10 twist rate, MT contour, paired with a fixed ejector radial delayed blowback operating system. The upper includes a billet aluminum receiver, EML15 M-LOK handguard, CMMG ZEROED muzzle brake (1/2x28 threaded), and ambidextrous charging handle.