Reising was an assistant to firearm inventor John M. Browning. In this role, Reising contributed to the final design of the US .45 … See more

The Reising was far less costly ($62) compared to the Thompson ($200). It was much lighter (seven vs. eleven pounds). The Model 55 was also more compact (about twenty-two vs. thirty-three inches in length). … See more

There were four versions of the Reising, two selective fire models: the M50 and M55, and two semi-automatic only variants: the M60, a .45 ACP carbine, and the M65, chambered for the .22 Long Rifle rimfire cartridge designed fo… See more

The Reising entered military service primarily because of uncertainty of supply of sufficient quantities of the Thompson submachine gun. In the testing stage, it won out over some other competing designs. It w… See more

In late 1943 following numerous complaints, the Reising was withdrawn from Fleet Marine Force (FMF) units and assigned to Stateside guard detachments and ship detachments. After the Marines proved reluc… See more