Power Factor simply put is a method used in shooting sports to create a level playing field of all participants.
How to calculate Power Factor:
100 gr bullet traveling at 600 fps has a power factor of 60: (100×600)/1000=60.00
77 gr bullet traveling at 800 fps has a power factor of 61.6 (77×800)/1000=61.60
200 gr bullet traveling at 400 fps has a power factor of 80 (200×400)/1000=80.00
Minimum Power Factors:
SASS 60
IPSC
Minor: less than 165
Major: 165 and above
Minimum: 125
IDPA
Minimum: 125
Custom Defensive Pistol (which is restricted to semi automatics chambered for .45 ACP)and Enhanced Service Revolver division, which have power factors of 165,000
Wiki Page on Power Factor
http://en.wikipedia.org/wiki/Power_factor
Hodgdon Reloading Data.
http://data.hodgdon.com/main_menu.asp
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Rod from Vancouver
James
Steeltownguy
My girl’s first 4 shots ever with a pistol. Uberti Cattleman 45 Colt (Single action Revolvers)
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