Sometimes, what looks like a great idea on paper turns out to be not-so-great in the field. Such was the case with the Reising Submachine Gun, chambered in .45 ACP.
While the M1 Garand gets the most accolades for its service in World War II, M1903 bolt-action rifles made by Remington also served our forces well.
Weapons, like plans, occasionally need to be modified once hostilities commence. Here are a few instances where troops in the field created an entirely new fighting machine.