Grenade (Pineapple)


Grenade (Pineapple)

The Mk 2 defensive hand grenade (sometimes written Mk II) is a fragmentation hand grenade used by the U.S. armed forces during World War IIand in later conflicts including the Vietnam War. The Mk II was introduced in 1918, replacing the failed Mk I of 1917, and was standardized in 1920. On 2 April 1945 the Mk II was redesignated the Mk 2.

The Mk II had grooves cast into the cast iron. This was erroneously believed at the time to aid in fragmentation but had the happy side benefit of aiding in gripping the grenade. This provision gave it the appearance of a pineapple fruit, giving it the common nickname of the “pineapple” grenade.


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