The M.O.C makes 50 caliber Ammo box Can repair kits, personal gear and first aid supplies or a nice little dry box for your ammunition. These are rough, waterproof and durable. They are made of heavy gauge steel for bomb protection. The rubber lid gasket ensures a waterproof seal. Securely latch to keep content safe. It has a rigid folding carrying handle and a metal loop to attach to a carabiner or strap. The inside dimensions are 11 inches by 5.5 inches by 7 inches. U.S. military surplus has been used in good condition.