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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 and velocity), which to some degree reflects the recoil impulse from the firearm onto the shooter (see section on limitations).
Minimum caliber for minor scoring is 9×19mm loaded to a power factor of 125 kgr·ft/s while minimum caliber for major scoring is a 10 mm (.40") cartridge loaded to a power factor of 165 kgr·ft/s, making for an interesting choice between minor and major scoring taken in mind the differences in recoil, magazine capacity and scoring points.
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 ...
The International Practical Shooting Confederation (IPSC) is the world's largest shooting sport association, and the largest and oldest within practical shooting.Founded in 1976, the IPSC nowadays affiliates over 100 regions from Africa, Americas, Asia, Europe, the Middle East, and Oceania. [1]
The IPSC US Handgun Championship are yearly IPSC level 3 matches held by the United States Practical Shooting Association (USPSA) run under IPSC-rules (contrary to the USPSA Handgun Championship, which is run under USPSA-rules). Sometimes, all of the pistol IPSC nationals are held at the same time, other years, they have been broken up between ...
The Steel Challenge is a speed shooting competition governed by the Steel Challenge Shooting Association (SCSA) that consists of eight standardized stages with steel targets in three sizes; small circular, large circular and rectangular targets.
Action Air is an airsoft shooting sport based on practical shooting under the International Practical Shooting Confederation.The sport enjoys popularity in countries and areas such as Taiwan, Hong Kong, Macau, South Korea, and Japan, where civilian ownership of real firearms are either illegal or extremely difficult to obtain, but it is also used by some owners of real firearms as an ...
The Taylor knock-out factor, also called Taylor KO factor or TKOF, is a formulaic mathematical approach for evaluating the stopping power of hunting cartridges, developed by John "Pondoro" Taylor in the middle of the 20th century.