I'm trying to develop a good load for shooting IDPA which requires a 125,000 power factor. I'm shooting a Model 19, 357 mag, 4" barrel, 158 LRNFP, 19 Brinnel rated. Can I use 38 load data in a 357 case to achieve.
1. Less recoil for better accuracy
2 Less fouling in the revolver.
3...