What ever feeds reliably and hits accurately.
Doesn't matter how good the rep or the paper ballistics are if they don't work in your gun, or shoot to point of aim.
I would rather have a gun filled with GI ball 230gr fmj @850fps that works reliably and hits where I aim than any super duper JHP that doesn't.
Test them out in your gun. THEN make a decision. Otherwise, you're just guessing.
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All else being equal (and it almost never is) bigger bullets tend to work better.
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