This MSAR STG-556 is a semi-auto rifle which fires the .223 round. It is black with a 16" fluted barrel and tan stock. This new rifle has a receiver optic rail, an adjustable gas system, and quick detach sling swivels, folding vertical grip. It comes with one 10-round magazine, box, and manual. Extra 30 and 42 round magazines are available and in stock for this rifle. This is a Steyr AUG clone.