Givati Firearms upper receiver
Givati Firearms, ar15 upper receiver assembly,completes your lower receiver and turn it into a complete ar15/m4 rifle, all ar15 upper receiver assemblies does include a charging handle, and a bolt carrier,these Upper receiver are chambered in 556-223 nato or (5.56x45mm) You can assure our ar15 upper receiver is a milspec part, Ar15 upper assemblies are one of the most powerful tools in the industry.