British Army M548 Ammo Box Olive - NewDesigned to hold 40mm rounds, including M430 HEDP, these British Army M548 ammo boxes feature a clampdown, folding clasp closure and watertight seal to ensure contents are secure and airtight. The olive coloured metal ammunition containers are made from durable steel with an external, diagonal reinforcement bar to protect them from warping when storing heavy equipment. Stackable, with two carrying handles, they are easy to store and transport. Ideal