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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.
NRA Precision Pistol. Kimber Raptor with a paper target, 91-1X score. NRA Precision Pistol, formerly known as NRA Conventional Pistol, [1] is a national bullseye shooting discipline organized in the United States by the National Rifle Association of America. Emphasis is on accuracy and precision, and participants shoot handguns at paper targets ...
The .45 Super / 11.5x22mm is a powerful smokeless powder center fire metallic firearm cartridge developed in 1988 by Dean Grennell, a well-known writer in the firearms field as well as managing editor of Gun World magazine. [2][3] It is dimensionally similar to the .45 ACP round but has a thicker case wall and is loaded to higher pressures ...
Earlier models listed as .44 caliber, later as .45, but all use a .457” round balls or .454” conical bullets of pure lead. [3] The Ruger Old Army can also shoot modern smokeless cartridges in .45 Colt (.45 Long Colt), or 45 ACP loaded for "cowboy action" muzzle velocities less than about 850 feet per second, via use of a drop-in conversion ...
Speer Gold Dot 124gr 9mm+P in SIG P226 magazines. Overpressure ammunition, commonly designated as +P or +P+ (pronounced Plus-P or Plus-P-Plus), is small arms ammunition that has been loaded to produce a higher internal pressure when fired than is standard for ammunition of its caliber (see internal ballistics), but less than the pressures generated by a proof round.
Power factor (shooting sports) A high-speed photograph of a .38 Special bullet fired out of a Smith & Wesson Model 686 revolver. Power factor (PF) in practical shooting competitions refers to a ranking system used to reward cartridges with more recoil. Power factor is a measure of the momentum of the bullet (scaled product of the bullet's mass ...
A semiwadcutter (SWC) or flat-nose is a type of all-purpose bullet commonly used in revolvers. The SWC combines features of the traditional round-nosed bullets and the wadcutter bullets used in target shooting, and is used in both revolver and rifle cartridges for hunting, target shooting and plinking. Full wadcutters frequently have problems ...
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'. However, there are many more guns and variations on the M1911 that are chambered in .45 ACP.