NATO M19A1 30 Cal Steel Ammo Box Black - NewThese military grade NATO M19A1 30 Cal Steel Ammo Boxes are approved for Department of Defence use (MIL DTL 3060G) and are supplied to the British Army, NATO and the US Military. The black weatherproof metal storage box is designed to carry 7. 62 x 51mm NATO ammunition and also be used to store various items such as airsoft gear, fishing gear, tools or important documents. A folding clasp and sealed, hinged closure ensures the contents are air tight