Faxon Firearms ARAK-21 Complete Upper Receiver 5.56 NATO 16" Barrel, Black - URSSB556

The Faxon ARAK-21 is a complete upper receiver assembly chambered in 5.56 NATO with a 16" barrel, designed for AR-15 platforms. This drop-in upper requires only attachment to a compatible lower receiver and bolt carrier group installation. The black finish barrel provides corrosion resistance and a tactical appearance.