Please note this is brand new, straight from the UK manufacturer. They are not military surplus.

They have dozens of uses, some have even been used as lunch boxes! The seriously tough, waterproof, lockable plastic/polymer.

There are a few options:

30 Cal size - Internal dimensions: 230mm x 150mm x 95mm lockable in 2 different colours. This listing is for a black version, a green version is available too. Check out my other items

See my other listings for 50 Cal & 30 Cal, lockable boxes in a range of colours.