This new FN Scar 17s rifle fires the .308 round. It has a 16" barrel with an overall black finish. This semi-auto rifle is a gas operated, short stroke piston design. It comes with fold-up front & rear sights, a full length picatinny rail, a quad railed forearm, adjustable cheek-rest and adjustable, folding stock. This rifle comes with one 20 round magazine, box, and manual.