I see no reason for a muzzle break on this considering it has a pretty good butt pad on it now for recoil. I don't see it kicking too much more then my 280 shooting a 160 grain bullet.
I have 116 FCSS in 300 win mag, and recoil isn't bad at all. I have a heavier scope on it, (Zeiss Conquest 3-12x56) but I don't see that making that much of a difference.
My brother has a Tikka T3 Lite in 7mm Mag. It's a tack driver, but it's abusive compared to my Savage.