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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.
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]
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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 ...
English: An illustration for power factor, showing the voltage, current, and instantaneous power waveforms along with the average power, over a full cycle, when current lags voltage by 90°. The curve labels in the key are in descending order by peak value.
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