From the Hodgdon website:
125 GR. HDY XTP Winchester 296 .357" 1.590" 21.0 1881 38,400 CUP 22.0 1966 41,400 CUP
I loaded some 125 gr jacketed solid point bullets from MagTech and went up to the max load at 22.0 gr of WW296. I occasionally shoot my .454 Casull, so I think I know what...