You guys need to understand something about STOPPING POWER : whether you receive a garand or mauser bullet in the chest or head, you're gone ! There's no such thing as which one will "stop" more ... lol.
Similarly, getting hit in the arm or leg by either weapon wouldn't make much difference:
you'd be suffering as much and would cry your asses off, begging for the pain to go away
Stopping power is only a useful piece of datum in our days because we can talk about how a 9mm or 45 cal. bullet (or whatever) would react on a bullet-proof vest.
They didn't have the pleasure of wearing one back then. (If I'm not mistaken, some people had primitive vests, but that could be a misread)