CAUTION: The following post includes loading data beyond currently published maximums for this cartridge. USE AT YOUR OWN RISK. Neither the writer, The Firing Line, nor the staff of TFL assume any liability for any damage or injury resulting from use of this information.
According to QuickLoad, 139gr SST, 24" barrel:
Ramshot Magnum 81.1gr 3288fps
Vihtavuori N560 75.5gr 3287fps
Alliant Reloder-25 78.0gr 3286fps
Still happily answering to the call-sign Peetza.
The problem, as you so eloquently put it, is choice.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.