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The .45 Auto Rim, also known as 11.5x23mmR, is a rimmed cartridge specifically designed to be fired in revolvers originally chambered for the .45 ACP cartridge.. The Peters Cartridge Company developed the cartridge in 1920 for use in the M1917 revolver, large numbers of which had become available as surplus following the end of World War I. [3]
The .22 LR is a rifle cartridge and, as such, is typically tested in rifle-length barrels, which is why the .22 LR appears to be more powerful than the .25 ACP. In reality, the .25 ACP tends to perform better than the .22 LR in pocket pistols, and the maximum pressure of the .25 is higher than the .22. [22] [23] In an 18-inch barrel, a .25 ACP ...
Although not originally designed for handguns, several rifle and shotgun cartridges have also been chambered in a number of large handguns, primarily in revolvers like the Phelps Heritage revolver, Century Arms revolver, Thompson/Centre Contender break-open pistol, Magnum Research BFR, and the Pfeifer Zeliska revolvers. These include:
.45 ACP.45 Auto Rim: 6 United States: 1917-1920 Magnum Research BFR: Magnum Research.30-30 Winchester.38-55 Winchester.375 Winchester.444 Marlin.45 Colt.410.45-70 Government.45-90 Sharps.450 Marlin.460 S&W Magnum.500 S&W Magnum.50 Beowulf.22 Hornet.218 Bee.44 Remington Magnum.454 Casull.480 Ruger.475 Linebaugh.50 GI.50 Action Express.500 JRH: 5
.45 ACP Italy: 2004 BFD 1911: BFD .45 ACP United States: 2010s Bren Ten: Dornaus & Dixon Enterprises, Inc. 10mm Auto.45 ACP.22 Long Rifle United States: 1983 Colt Double Eagle: Colt Manufacturing Company.45 ACP 10mm Auto.40 S&W 9×19mm Parabellum.38 Super United States: 1985 Colt New Service: Colt Manufacturing Company.45 Colt.455 Webley.476 ...
For these reasons, in 1920, the Peters ammunition company introduced the .45 Auto Rim. This rimmed version of the .45 ACP allowed both versions of the Model 1917 revolver to fire reliably without the clips. In the late 1950s and 1960s, Colt and Smith & Wesson 1917s were available through mail order companies at bargain prices. [11]
The Vzor 45, commonly known as CZ 45 is a compact blowback operated semi-automatic pistol chambered in .25 ACP. It was made in Czechoslovakia and later in the Czech Republic . Derived from the CZ-36 following World War II, the CZ-45 is currently manufactured by Česká zbrojovka Uherský Brod as the CZ-92 .
Buffalo Bore's loading for the .500 S&W cartridge offers much less energy at the muzzle, achieving only 2,579 ft⋅lbf (3,497 J) by driving a 440 grain .500 caliber bullet at 1,625 ft/s (495 m/s). [ 8 ] [ 9 ] However, the claimed muzzle energies of ammunition manufacturers may not be realized in real-world firearms, due to differences in ...