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Old 09-30-2011, 12:09 AM
Steve C Steve C is offline
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I have had the best luck with Winchester powders using the data that was published by Winchester 2003 prior to Hodgdon taking over the marketing of their powders.

This is the .357 mag data from that on line manual. The data listed is maximum and should be worked up to with a 10% reduced start load except for the W296 which should not be reduced by more then 3%.


Last edited by Steve C; 09-30-2011 at 12:11 AM.
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