The FN SCAR® is the semi-auto only version of the newest service rifle of U.S. special operators. Light, fast-handling and quick shooting, the Fn SCAR® 16S is chambered in 5.56x45mm NATO (223 Rem.) and features a free-floating, cold hammer-forged MIL-SPEC barrel with chrome-lined bore. The FN SCAR® 17S is chambered in 7.62x51mm NATO (308 Win.) and features a free-floating, cold hammer-forged MIL-SPEC barrel with chrome-lined bore. Fully-ambidextrous operating controls on both models instantly adapt to any shooter and any shooting position. The receiver-integrated MIL-STD 1913 optical rail and three accessory rails enable the mounting of scopes or electronic sights, plus tactical lights and lasers. The telescoping, side-folding polymer stock is fully adjustable for comb height and length-of-pull, and is available in Flat Dark Earth (FDE) or matte black.