Besides the Model 1903 rifle, the Pedersen Device was also developed to be used on the Model 1917 rifle and Remington manufactured Mosin-Nagant rifle. These rifles were only being tested with the Pedersen Device.

I do not understand why they thought at the time (1917) that the 32 ACP or 30-18 Pedersen cartridge was an improvement over the standard cartridges used in battle ?Attachment 120166Attachment 120167Attachment 120168