No opinion about brand, but depending on the varmit you are hunting, you might consider the lower magnifiction.
Sounds like varmits out west are small and far away. I think varmits in the east are larger and closer.
I have a 22-250 with a nice 6-18 with AO. In hindsight, I think I would have gotten more utility out of a 4-14 for what I call varmits in Alabama; coyotes, foxes, bobcats...