300WSM: will 190SMK's be stable in a 1:12?

Re: 300WSM: will 190SMK's be stable in a 1:12?

I'd give you a 95% or better chance. With a buttoned barrel, I normally expect them to be off by 1/2 inch or so from their stated twist, but that can be in either direction. Yeah, it's worth a try, and I'd expect it to work.