Moriarti AR-15 5.56 NATO Modular Pistol Upper Assembly 6 in Black Anodized

Moriarti AR-15 5.56 NATO Modular Pistol Upper Assembly 6 in Black Anodized. 56 NATO Modular Pistol Upper Assemblyengineered for shooters who demand a compact accurate and highly maneuverable platform. Featuring a premium 4150 CMV barrel with a 1:7 twist this upper is designed to stabilize common 5.56 NATO ammunition and deliver excellent performance in a compact pistol configuration. The 6 in barrel is finished in QPQ nitride for exceptional corrosion resistance and durability threaded 1/2x28 fo