Looking for data using AA 3100 or Data 86 powders with either bullets in the 257 , Thanks

I clicked in anticipation of seeing some load data, sorry. I use IMR-7828 at about 70 grains using the 100 grain TSX and reach factory velocities with no pressure signs. I'm also about to try H-4831 as it looks good in the 3 cartridges I reload for, the 257 Wby, 30-06 and the 338-378 Wby. I use TSX and TTSX where available in all of them. They shoot very accurately with good velocities. I might find myself down to one powder for all three . Good luck in finding your pet load.

Ken....