If I were building a 270 from scratch I'd just twist it at 1-9 and forget the rest...
That’s been my thoughts as well. I’m almost tempted to rebarrel my 270 WSM to a 1:9 twist.
Just me, but if I’m rebarreling a 270 I’m going to twist it enough to handle any reasonable bullet that’s available. 1-7.5-1-8 min to handle the newer Nosler and Sierras. The extra RPMs won’t hurt hunting bullets.
