This used FN SCAR 16S rifle fires the 5.56x45mm NATO (223 Rem) round. It has a 16" barrel with dark earth furniture. This rifle has a gas-operated, short stroke piston system that reduces fouling for greater reliability. It features ambidextrous operating controls, a full length optics rail, a forearm quad styled rail, fold down front & rear sights, a Hogue style pistol grip, and a sidefolding, collapsible stock. This rifle comes with one 30 round magazine. This rifle has some scratch marks near the sling swivel and some scuffing on the front base of the front sight.