Superbly accurate, this Upper is ready for long distance match domination. Equipped with ArmaLite's exclusive stainless steel match barrel matted to ArmaLite's MIL STD 1913 Free Float Rail Handguard.
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.
Barrel Diameter under gas block: .875"
Barrel Diameter under hand guard: 1"
Caliber: .308/7.62 X 51mm NATO
Barrel: 20" Triple Lapped, AISI 416R Stainless Steel, Match, Threaded 5/8 - 24, M-4 Feed Ramps
Rifling Twist: RH 1:10"
Muzzle Device: Stainless Steel Flash Suppressor, Threading: 5/8"-24
Front Sight Base: Picatinny Rail Gas Block
Upper Receiver: Forged Flat Top Receiver with Picatinny Rail and Forward Assist 7175-T74 Aluminum