I would go with the 1-11 for up to 220 gr bullets.
the 300 WSM
is running 210 VLDs all day long with 1-11 and zero problems. In fact that is the go to twist and bullet in the 1K BR game with the WSM.
You will get less pressure and a little bit more MV with the slower twist.
With the Weatherby you can easily run even 220s with the 1-11.
I was running 240s in my 1-10 with the weatherby.
Lot of great 180 and 200 gr 30 cal bullets, so plenty to choose from.