Colt LE6943CK Upper Receiver Conversion Kit 5.56 11.5" - LE6943CK

This Colt upper receiver conversion kit is chambered in 5.56 NATO with an 11.5" barrel, designed for AR-15 platforms. The kit allows users to convert or build an AR-15 rifle by replacing the upper receiver assembly. Ideal for those seeking a short-barreled upper receiver configuration.