Colt MK18 Mod 1 RIS II Upper Assembly

Colt MK18 MOD 1 (Crane spec) upper receiver assembly.

-C stamp upper

-Colt 10.3" gov profile barrel

-Surefire 4 Prong

-Colt/Coronet MK12 gas block

-Daniel Defense RIS II (Black Creek GA MFG)

-Colt charging handle

NO BCG included