Using the Rimrock 158 grn LSWCHP and 6 grns of Unique, in a magnum case, gets me 1050 fps out of my 5" S&W 327 R8. Accurate and clean load and in the general area of heavy 38/44 loads. Around 1000 fps in my Ruger Blackhawk 4 ⁵/⁸".
Regards,
Manny
Last edited by mannyspd1; 12/07/22.