I’m planning on doing load development using 158 gr JSPs in 357 Magnum in Mid Range velocities (+1,000 fps - 1,200 fps) using Power Pistol, BE-86, AA5, AA7 or N350. This is for a 4 5/8” Ruger Blackhawk.
Do you folks have any suggestions? I do have published reloading data but I would like to...