I tried some 300gr Mt Baldy 300gr Keith's based on the Pearce article ref by CraigC above in my Freedom Arms .44 Special:
55 Deg F and 5 paces from the muzzle:
FA97….. 5.5 Inch Bbl, …300 gr Keith, Mt Baldy, ……..….Starline 2x , ….WLP prim, ……...……..….15.5, H-110….., 991 fps
FA97….. 5.5 Inch Bbl, …300 gr Keith, Mt Baldy, ……..….Starline 2x , ….WLP prim, ……...……..….16.2, H-110…., 1047 fps
.44 Mag chrono results for the Beartooth 325gr WLNGC -- 70 Deg F and 5 paces from muzzle:
S&W M329 PD…. 4 Inch Bbl, .…..325 gr WLNGC, Beartooth, ….New WW , ….CCI-350 (mag) prim, ….19.5, H-110…., 1043 fps
S&W M629-6….…. 6 Inch Bbl, .…..325 gr WLNGC, Beartooth, ….New WW , ….CCI-350 (mag) prim, ….19.5, H-110…., 1135 fps
Ruger 50th FT….. 6.5 Inch Bbl, …325 gr WLNGC, Beartooth, ….New WW , ….CCI-350 (mag) prim, ….19.5, H-110…., 1155 fps
Paul