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The .45 ACP (Automatic Colt Pistol), also known as .45 Auto, .45 Automatic, or 11.43×23mm [1] is a rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his prototype Colt semi-automatic pistol.
The .45 ACP (not to be confused with .45 Colt) cartridge is a very popular caliber due to its low velocity and relatively high stopping power.This caliber is associated most with the Colt M1911, logically, as ACP literally means 'Automatic Colt Pistol'.
The S&W revolver used the .45 Schofield, a shorter cartridge, which would also work in the Colt, however the Army's S&W Schofield revolvers could not chamber the longer .45 Colt, [2] so in 1874 Frankford Arsenal, then almost exclusive supplier of small arms ammunition to the U.S. Army, dropped production of the .45 Colt cartridge in favor of ...
The .460 S&W round is a lengthened, more powerful version of the popular .454 Casull, itself a longer and more powerful version of the .45 Colt.For this reason, the .460 S&W Magnum can be considered an example of a "super magnum".
The .45 Super / 11.5x22mm is a powerful smokeless powder ... stronger and more modern .451 Detonics, [1] shortened to the overall length of the .45 ACP design. [2] ...
Essentially, the .45 Super is based on a .451 Detonics [2] case trimmed to .45 ACP length. Pioneered by writers Dean Grennell and the late Tom Ferguson, the .45 Super raised the performance level for .45 ACP-chambered autos beyond that of the .45 ACP+P and even the 10mm Auto. Triton logo
[3] [5] [6] [2] Smith & Wesson states that Model 460 XVR (XVR stands for X-treme Velocity Revolver) is the highest velocity production revolver, while being the most powerful .45 caliber production revolver in the world, launching a 200-grain (13-gram) bullet at 2,330 feet per second (710 meters per second), generating 2,416 foot-pounds force ...
The Luger on the other hand would be developed at about the same pace as the Colt 1902, the competition peaking in 1907 when .45 ACP Colt 1905's and 45 ACP Lugers faced off, although in the end both pistols showed insufficient promise in the heavier caliber, and as the United States was committed to the .45 ACP, the basic 1902 design stayed ...