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Old 12-27-2012, 10:51   #56
_The_Shadow
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Join Date: Jul 2007
Location: Southeast, LoUiSiAna
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If you don't mind handweighing IMR800X is what Underwood is using in all of his performance 10mm cartridges.
You can read more about his loadings here; http://10mm-firearms.com/factory-10m...5155165180220/
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