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Old January 9, 2013, 01:15 AM   #2
Scorch
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Join Date: February 13, 2006
Location: Washington state
Posts: 11,408
I have never heard of a Arisaka with a chromed bore. Rifling in bores is never very deep, usually .004", shallower in smaller bores. You say your slug miked .312", that would be basically brand new.
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