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Old February 24, 2013, 11:29 PM   #7
steve4102
Senior Member
 
Join Date: December 23, 2005
Location: Minnesota
Posts: 2,119
Quote:
I thought with the velocity being nearly the same, the grouping would be similar.
Nope, it's about barrel harmonics not velocity.

http://www.rifle-accuracy.com/harmonics.htm

http://www.shootingsoftware.com/barrel.htm

http://varmintal.com/amode.htm

http://guns.livejournal.com/2038833.html
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