My sierra manual has a starting load of 38.8 grains at 3000 fps. Max load is 40.0 at 3100 fps
My hornady manual lists a start load of 33.7 gr. for 2900 fps and a max of 42.2 gr. for 3300 fps.
For the 75 grain vmax, hornady lists a max of 42.4 gr at 3300 fps
Hope this helps
