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Subsequently, the case was shortened to reduce powder capacity to a volume more suited to the shorter barrel of a pistol. The resulting cartridge, the .221 Fireball, produced factory-loaded velocities of over 825 m/s (2,700 ft/s) from the short barrel, and accuracy rivaling the parent .222 Remington, one of the most accurate cartridges made. [1]
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.
9mm Major is a wildcat cartridge of the 9mm Luger specifically for competition pistols designed to handle very high pressure. It is used in practical shooting competitions like International Practical Shooting Confederation (IPSC) and United States Practical Shooting Association (USPSA) to achieve a "Major" power factor, which earns more points for hits in specific zones on paper targets ...
This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name. Data values are the highest found for the cartridge, and might not occur in the same load (e.g. the highest muzzle energy might not be in the same load as the highest muzzle velocity, since the bullet weights can differ between loads).
Loads were developed with a dozen powders. Small pistol magnum or small rifle primers could be utilized. Brass was available from both Triton and Starline Brass Company. Many semi-automatic pistols can accommodate the .40 Super, especially those already chambered for the .45 ACP cartridge are the easiest to convert.
All of these cartridges are usually found in semi-automatic pistols. The higher-pressure .38 Special +P loads at 20,000 psi offer about 20% more muzzle energy than standard-pressure loads, which places them between the .380 ACP and the 9mm Parabellum; similar to that of the 9×18mm Makarov. A few specialty manufacturers' +P loads for this ...
Source(s): "Cartridges of the World" [1] / Accurate Powder [2] Early .45 Colt cartridges, in the center is the shorter cartridge for the S&W Schofield revolver with Benet primer The .45 Schofield / 11.5x27mmR , also referred to as .45 Smith & Wesson is a revolver cartridge developed by Smith & Wesson for their S&W Model 3 Schofield top-break ...
An IMR smokeless powder for reloading The Hagley Museum in Wilmington, Delaware. IMR Legendary Powders is a line of smokeless powders which are popularly used in sporting and military/police firearm cartridges. The initials 'IMR' stand for Improved Military Rifle powder. IMR powders makes a line of various types of smokeless powder suitable for ...