What you have will do the job. You just need to work up your load.
I am about to try the Bergers, but have just been finishing off my142gr SMKs with 50.5gr H4831sc, CCI BR2, and Lapua brass. I am getting 2967 fps from a 26 inch Kreiger.
It takes 51.3gr to get similar velocity from my Savage 12F.
-- richard