I generally go for moderate loads while hand loading. My copy of Wiederladen shown 800 mps (2625 fps) at maximum pressure of 3900 bar with a 140 grain Speer bullet and 39.7 grains of Vihtavuori N140 powder.It also shows 865 mps (2838 fps) with a Swift 120 grain bullet and 45 grains of Vihtavuori 550 powder with maximum pressure. I think I could live with either of those loads.

Of course 3900 bar (56564.72 psi) is not a high pressure by modern standards, and could probably be safely exceeded. I don't think I want to try it with a WW I era action, however.