Re: .45 vs. .357
From what I've read, .357 SIG is equivelent to .357 Mag 125gr loads. .357 Mag has the capacity to get a lot hotter than that, whereas SIG really cannot.
The last time I looked at the .45 vs .357 for personal defense debate I concluded it to be a draw. .357 is a lighter bullet traveling faster. .45 is a heavier bullet traveling slower. For personal defense loads, the muzzle energies between the two end up being pretty close to each other. The only part I see in favor of .45 is that in the case of HP's the bullet will expand to a much bigger size than .357 will.
Outside of that, .357 SIG just leaves me scratching my head. It always seemed to me to be a round that answers a question no one was asking. But then I always thought the same about .40 S&W too.
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