Utilized by agencies all over the country ad now available to all tactical shooting enthusiasts, the ArmaLite EK0446B-1:7 features the M203 stepdown barrel for tactical or Law Enforcement Accessories. This upper includes double heat shield handguards.
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.
M-15 Uppers use 7075-T6 Aluminum.
Caliber: .223 / 5.56
Barrel: 16" Chrome Lined\Chrome Moly Vanadium with M203 Step Down, M-4 Feed Ramps
Rifling Twist: RH: 1:7"
Muzzle Device: Flash Suppressor
Front Sight Base: A2 Front Sight Assembly
Upper Receiver: Forged Flattop with Picatinny Rail
Finish: Hard Anodized Aluminum, Manganese Phosphated Steel