New issue case for small arms ammunition for the M-16 Squad Automatic weapon. Designed to hold a 200 round magazine but could be used to hold other things as well. Made from cordura nylon it measures 10" high, 7-1/2"wide, 2-1/2"deep and features a velcro with snap closure, pistol belt clips, 3" wide belt loop, and drain hole on the bottom. Brand New.