If I were to carry my 31, it would be loaded with 92-98 gr SWC. I want to ensure that it penetrates adequately. For those interested in speed, Speer 14 lists data for the 60 HP... as I recall, the .32 Long pushes it a tad over 1000 fps out of a 3" barrel.
In my 431pd, I carry the 85 HP backed...