November 15, 2012, 03:22 PM
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#33
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Senior Member
Join Date: June 11, 2007
Posts: 2,155
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Here is test done on a 1/13 twist right here in the good old USA
http://riflemansjournal.blogspot.com...113-twist.html
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Semper Fi
Vietnam 1965
VFW Life member
NRA Life Member
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