165 grain bullet or 230 grain bullet for .45 ACP. self defense round?

I do not know why I have to contemplate this. It's a damn bullet. Nobody can outrun it. Is the speed decrease of the 230 grain to the 165 grain really something to look at in a self defense round? I am not a handgunner yet as I am only 20, but I am doing my homework and want to get some experienced... show more I do not know why I have to contemplate this. It's a damn bullet. Nobody can outrun it. Is the speed decrease of the 230 grain to the 165 grain really something to look at in a self defense round?

I am not a handgunner yet as I am only 20, but I am doing my homework and want to get some experienced folks' answers.
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