I am new to the sport and have been doing alot of reading on the rules for the different classes. I am wondering....besides the power factor, what is the difference between Minor and Major? Do they shoot in different classes? Thanks
The power factor is calculated by multiplying bullet weight (in grains, 7,000 to the pound) by muzzle velocity (in feet per second), then dividing by 1000. As of 2008, a value of 165 or greater is considered major, while values below 165 are minor. (from Wikipedia, which in this case is correct)
The full article here
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