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20 Rounds of .45 Caliber Revolver Ammunition
Item #: WR488
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This is a group of 20 .45 caliber ball rounds for the M1917 revolver. These rounds were developed by the Peters Cartridge Company in 1920 for use in revolvers originally chambered in .45 ACP. There were two major issues when using the .45 ACP cartridges in revolvers. Since the ACP cartridge is rimless, a half moon device was required that held three ACP cartridges in order for the revolver to fire them without malfunctioning. Without the half moon clips, spent cases had to be ejected from the revolver by an expedient ejector rod, or shaking them out of the swing out cylinder. The second issue concerned headspacing, especially in the early M1917, the cartridge could slip forward in the cylinder and fail to fire. Adding the rim to the case solved both these problems. All 20 of the cartridges are headstamped REM-UMC .45 AR. They are considered ball ammunition and have steel primers. Some of the brass cartridges have verdigris, but wipe of easily. These will look great displayed with your WWII era M1917 revolver.

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