This brand new FN SCAR 16S is a semi-auto rifle which fires the 5.56x45mm NATO (223 Rem) round. It has a 16" barrel with a matte black finish. This rifle has a gas-operated, short stroke piston system that reduces fouling for greater reliability. The SCAR 16 system features user-interchangeable, freefloating, cold hammer-forged MIL-SPEC barrels with hard-chromed bores and A2-type flash suppressors. Fully-ambidextrous operating controls instantly adapt the SCAR 16 to any user. The receiver-integrated MIL-STD 1913 optical rail plus three accessory rails enable mounting of a wide variety of tactical lights and lasers. The sidefolding, collapsible stock is fully adjustable for comb height and length of pull. This rifle comes with flip-up sights and one 30-round magazine.