Original U.S. WWII M1B1 Anti-Tank Practice Training Mine - Inert 18th Century After the campaign

After the campaign

t 1st Battalion

Casehardened lock plates with the right lock marked A

The lining is a bit worn from age and use

the British government placed orders for 3

Original U.S. WWII M1B1 Anti-Tank Practice Training Mine - Inert 18th Century After the campaignOriginal Item: Only One Available. During WWII the United States developed and used several versions of Anti Tank mine, starting with the M1, followed by the M1A1 and finally the M4. They all had the same basic design of a "spider" on the top of the mine being used to actuate a fuse in the center of the mine when it was subjected to enough pressure. The M1 Had two locations where it was filled with explosives, and utilized a Spider made of multiple