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Old February 16, 2013, 09:41 PM   #59
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Join Date: July 15, 2007
Location: Illinois
Posts: 3,746
They are using ammo that meets the Power Factor rules. The power factor of a firearm is calculated using the formula of Bullet Weight (grains) times Velocity (feet/second) divided by 1000.

A lot of what is causing the recoil to look light, is the strong grip they are using.

For example I backed down from 22 grains of H-110 to 21 grains of H-110 for use with the 210 grain Gold Dot bullet in my Model 58. I also made a conscious effort to utilize a strong grip. It made a big difference. Of course that is a much more powerful load than is used in competition, but still the strong grip matters very much in taming recoil.
"No free man shall ever be debarred the use of arms."- Thomas Jefferson
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