Tried it in my .25-06 Encore 14". Did fair ,not great. Might want to play with the seatying depth some (I used .03 off the lands.
Recent Hodgdon Maunal gives 47.0 gr. WW760 as max load for 100 gr. bullets( I used 45.5 gr) and 52.0 gr. WW760 as max load for 85 gr. bullets( I never used 85s in my .25-06).
I, too, had fantastic results with 760 in a .243 rifle eons ago, but I haven't touched a long gun since 1978.