Product Description
LIMITED RELEASE, LIMITED AVAILABILITY
The Colt IAR6940CK Complete Upper Receiver Assembly is used on the IAR variant, built to compete in the M27 contract. This monolithic upper receiver features an uninterrupted full-length top rail, allowing for a free-floated barrel with a gas-block mounted fixed front sight post, a heat sink, and a backup rear sight. The barrel is Colt's heavy 16" chrome lined IAR barrel with an A2 flash hider up front. Suggested to be used in conjunction with an H2 or H3 buffer.
