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Old November 27, 2009, 05:27 AM   #14
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Join Date: February 9, 2006
Location: Homes in Brooklyn, NY and in Pennsylvania.
Posts: 4,541

The standard for a cylinder bore barrel is 1 inch per 1 yard.
Not arguing - where can I find that info? It's the kind of data that I collect. That reference to "one inch per" for a cylinder choked barrel is way tighter than any I have found.
It makes me wonder what the spread data is for a full choke.
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