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Old 07-13-2011, 16:43   #4
jimhoff
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Join Date: Aug 2006
Location: Alaska
Posts: 20
Rifle primers are a bit thicker and 500 S&W uses rifle primers because of the extra high pressure of that round. So a light fire-pin might not cap 'em off. I think they might not seat as deeply in the pocket - by a few .001's
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