Yeah, but both are more pointy than 9mm.Both are niche calibers but to me the 357 Sig is way more versatile and practical. The Sig is one of those niche calibers I wish would have went mainstream but neither of these are filling a niche that hasn't been filled already.
Or not. I have .357 SIG (one barrel for a 226, just because I could; it came with a .40 slide/barrel combo I bought), .40 & 5.7x28.357 Sig. Means I have a .40S&W, too.
This mini bolt gun thing needs to happen.5.7 in a P not PS90 is the only way I’d go with 5.7.
I have zero desire to try 357 Sig unless I obtained a 40sw by way of gift or inheritance. Of coarse that’s assuming I keep it.
I’d keep a P or PS90. I’m not looking to buy one anytime soon.
Diamondback did make a tiny 5.7 recently that is intriguing, due to size mostly. That’s where that caliber shines. Tiny carbines.
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I still have hopes that someone gets squirrelly and makes a micro action bolt gun in 5.7.