I've seen the same wild differences between the Lyman and Hodgen data for 231/HP-38 and can't explain the difference. I did note that the pressures shown for the max. loads in the Hodgen data do seem low, especially for +P equivalents. That being said, I do shoot 4.8-4.9gr. of HP-38 with a MBC 158gr. coated SWC and find it to be a manageable, but stout load in my 642; less so in my Model 60.
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