I think the barrel wear thing is a bit of a moot point, if your buying this cartridge because you want 3k with a 170+gr pill in a short ish barrel, the only other way your getting there is with the likes of 7 mag/7prc/7saum/28 nosler etc with a stinking hot handload and at that point your giving everything a hard time including the brass and surely best case scenario wearing the barrel out just as fast (more likely faster) than the backcountry.
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