Just looking at Hodgdon Data on the 32-20 Winchester. 115gr cast LRNFP

The powders they list are:

Universal
WW231
HP-38
Trail Boss
Titegroup

Velocities from 642 to 915. Pressures from 11,100 to 16,000 CUP

I think using 180gr pill is doable with any of these.

Powders in this burn rate range is probably a good start.

Gun Shows are almost as comical as boat ramps in the Spring.