The M18A1 Claymore is a directional anti-personnel mine used by the U.S. military. Its inventor, Norman MacLeod, named the mine after a large Scottish medieval sword. Unlike a conventional land mine, the Claymore is command-detonated and directional, meaning it is fired by remote-control and shoots a pattern of metal balls into the kill zone like a shotgun. (wikipedia)
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The MON-50 is a claymore shaped (rectangular, slightly concave), plastic bodied, directional type of anti-personnel mine designed and manufactured in the Soviet Union. It is designed to wound or kill by explosive fragmentation. The mine is similar to the American M18 Claymore with a few differences. (wikipedia)
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The MRUD is a plastic bodied, convex rectangular directional type Anti-personnel mine designed to wound or kill by fragmentation. It is broadly similar to the M18A1 Claymore mine.
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The Type 66 is a copy of the American M18A1 Claymore anti-personnel directional fragmentation mine. The plastic body of the mine has a convex face housing the fragmentation of approximately 700 ball-bearings, behind which is the main plastic explosive charge. On the base of the mine are two scissor type legs made of steel.