The Military Surplus Ammo Can 30 Cal is a raft trip staple.  It is the perfect dry storage box for repair kits and tools. Military Surplus Ammo Can 30 Cal features a hinged lid with a tension clamp-down, a rubber seal on the lid and a carrying handle. Military Surplus Ammo Can 30 Cal is also sometimes referred to as 7.62MM and M19A1 Ammo Cans.