Quote:
Originally Posted by BLUEDOT37
Speer #14 lists their max 38 Spcl.(+P) 135gr Short Barrel (2.0") load at 882mv // 234me.
Speer #14 lists their max 357 Mag 135gr Short Barrel (2.5") load at 1258mv // 474me.
I didn't do well in Algebra(I) but I can sure recognize that TWICE the power WILL matter.
You have the option to shoot something in-between. 
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Different barrel, different gun, different POWDER
If you think hitting someone with the same bullet at at 882 fps vs 1258 fps will make a difference vs the blast and flash. go for it.A well placed shot trumps and poor one regardless of the numbers, The we can get into 40 sw vs 10MM.
I think it was Physics
It's why I carry a 9mm with 135 HP bullets, more rounds and better than a 38 +p (numbers) and almost 357 mag. I do have a 327 Fed Mag revolver that I would shoot over the snub 357 which to be is brutal.
YMMV