I use 72.5 gr.IMR 4831 w/150 AccuBond in my Mod 70 Featherweight.
Chronographed at 3350 fps and into 3/4". I stopped right there. Even though the rifle is a tad heavy at 8lbs, I'm going to use it for my sheep rifle in August simply because it's so fast and accurate.
Hope this helps.
Regards,
sbsmith