Die , then expand case mouth slightly to except 475 cal bullet.
Very simple.
Sean
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What kind of case prep is needed to convert 45-70 to 475 GNR (nm)
- O’ Gary, 2018-01-23, 18:44
- Run the 45-70 case thru the 475 GNR resize - Sean Harper, 2018-01-23, 19:07