FN America AR-15 5.56 NATO 16" Mid-Length Barrel, Black Phosphate - 36422

FN America cold hammer-forged AR-15 barrel chambered in 5.56 NATO with a 16" mid-length gas system. Features chrome-lined chamber and bore, mil-spec barrel steel construction, and 1:7 twist rate. Direct drop-in replacement for standard AR-15 platforms with 1/2x28 muzzle threads.