If you give me the specifics, I can use QuickLoad to give you some idea where to start and end, if you believe that you are sufficiently experienced to recognize pressure issues.
I would need OAL and distance from the rifling.
Actual bullet length.
Actual case length
Measured fired, unsized case capacity in grains H20
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.