I have used accubonds in the .300 WBY and also the .300 Win Mag, both in 180gr and 200gr with success. I would also stay away from the 165gr in the Weatherby, its a bit fast for theat bullet.
I had very good success with the 180gr Swift Scirocco. It has a very good BC, stands up well after impact and doesn't seem to do too much damage. I will try it first in my next .30 cal. build.
Ivo