Using Handloader Mag., I arrived at a very accurate "strong" mid range 357 Magnum load - approximating 38-44 velocity in 357 Mag cases. This load shoots very, very accurately - sand bag rested from my Ruger Blackhawk 4 5/8 inch - put 8 shots in B3 black at 50 ft.
I estimate velocity, based on published data, to be approximately 1,125 fps from a four inch revolver, or 1,200 fps in 6.5 tube.
Components used:
Starline 357 Magnum cases
CCI 500 primers
158 gr SWC Bayou Hi-Tek coated bullet
7.2 grs Power Pistol
Medium firm crimp (3/4 turn Lee FCD)