What is "Major" or "Major PF" Ammunition?

Major power factor ammunition, also known as "major PF" or simply "major," is a type of ammunition used in competitive shooting sports such as IPSC and USPSA.

It is characterized by a higher minimum power factor requirement than standard ammunition, which is calculated by multiplying the bullet weight in grains by the velocity in feet per second.

This results in a higher recoil and louder muzzle blast, but also allows for faster, more accurate shooting in competition.

This type of ammunition is often used by experienced shooters who are looking for a greater challenge and more realistic training experience.

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