I recall that 44 grs. of IMR 4320 worked very well with the Hornady 139 gr. bullet. E
That is the load I used for the 140 Sierra PH for 2755 fps.
Shew me thy ways, O LORD: teach me thy paths. "there are few better cartridges on Earth than the 7 x 57mm Mauser" "the .30 Springfield is light, accurate, penetrating, and has surprising stopping power"