MV-Muzzle Velocity
Muzzle velocity when fired from a typical handgun. Measured in feet-per-second.
ME-Muzzle Energy
Muzzle energy when fired from a typical handgun. Measured in foot-pounds.
PF-Power Factor
In shooting competition the Power Factor is used to determine the competitive division in which a particular handgun/cartridge
can be used. A simple calculation of the bullet's mass times its muzzle velocity.
PF = bull. mass x muzzel vel.
TKO-Taylor Knock Out Formula
Developed by big-game hunter John Howard Taylor in the 1940's. Calculates the relative effectiveness of bullets for hunting game.
TKO = (bull. mass x muzzle vel. x bull. dia.)/7000
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