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Old June 20, 2000, 11:30 AM   #1
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Join Date: January 3, 2000
Location: Mills County, IA
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Does anybody have any idea what the ID's are for full, mod., and i/c chokes for a 20 ga.? Thanks.

bullet placement is gun control
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Old June 21, 2000, 04:52 AM   #2
Dave McC
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I'm no expert here, but the Brits use the idea of Points of Constriction, each point being .001 inch.I forget the actual divisions, but up to 15 Points or so is IC,up to 25 is Mod,and so on.

If you know your bore diameter,you can exterpolate from there...
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