I've got one in .45acp that I picked up years ago. I put a Vortex red/green dot sight on it. It's one of my favorite shooters hands down.

I can't remember the last time I shot it at paper, but it's hell on steels, and my favorite, golf balls.

I can't help but wonder how it'd do with a shortened barrel and suppressor.

I've considered caliber conversions for it, but I load alot of 45 already so there's not much benefit to me. I'm kinda skeptical about a 10mm blowback, and that concern also goes for the 357 sig. But I'd imagine that they've thoroughly tested them before letting them out for public sale.