All these cans have been spray painted in all sorts of colours so expect a huge amount of variance, the same for stencil markings (ie, some may have been used to transport other items other than 50cal). See the last image for an example. 

The 50 Caliber Ammo Box makes an excellent small dry box for repair kits, personal gear, first aid supplies or your ammo. Once used by the army for storing .50 caliber machine gun rounds. These ones have been painted whacky colours so we have graded them down. As these are in Value Grade condition, we cannot guarantee the rubber seal around the lid may is watertight as it once was. This box latches securely to keep contents safe. It has a sturdy folding carry handle.

Features:

• Solid metal construction
• Carry handle
• Secure latch

Dimensions: 18.5cm H x 14.4cm W x 28cm L
Weight: 2.7kg
Content: Metal
Condition: Value Grade - Our Value Grade gear has seen more action, showing typical wear and tear, yet is still practical and functional. A budget-friendly way to own genuine military surplus. May contain stains, holes, missing buttons or larger repairs. Condition Guide