The latest evolution in the Era of AR Innovation, the ArmaLite AR-10 Super SASS, the ultimate suppressor capable, long range rifle system is finally available for order in complete upper format now.
Engineering innovations include the adjustable gas system to optimize rifle function with suppressor as well as the AR design enhancements that our engineers have made standard on every ArmaLite AR-10.
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.
AR-10 uppers use 7175-T74 aluminum.
.875 at the Journal (Under the gas block)