
History is full of weapons that looked impressive but frustrated the soldiers forced to use them. From jam-prone machine guns to rockets that flew backward, these inventions promised battlefield advantages and delivered confusion instead. Here are 20 famously flawed weapons that proved bad ideas can survive far longer than anyone.
#1: The Type 94 Nambu Could Fire by Accident
Japan issued the Type 94 Nambu in the 1930s. A small exposed sear on the side could discharge the pistol if pressed while the weapon was cocked. Soldiers found it underpowered and unreliable. Its unsafe design helped give it one of the worst reputations of World War II.

