This CBC Industries AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. It is built around a 16 inch, 4150 chrome moly barrel and has a black nitride finish. The upper receiver is a forged M4 flat top upper, allowing you to easily attach rifle scopes and red dot sights to the picatinny rail.
BOLT CARRIER GROUP IS NOT INCLUDED
This kit cannot be shipped to California, Connecticut, Maryland, Massachusetts, New Jersey, New York, or Washington D.C.