M-15™ A4 Post-Ban Carbine Complete Upper Half Assembly with A2 Front Sight
The M-15™A4 carbine complete upper assembly features a double lapped, chrome lined / chrome moly vanadium barrel. The MIL-STD 1913 rail on the upper receiver allows rapid and repeatable interchange of removable rear iron or scope sights.
Each Armalite complete upper assembly includes a forged upper receiver assembly, barrel assembly, bolt carrier group and charging handle assembly. All complete upper assemblies are test fired as complete rifles before shipping.