I have been shooting 240 gr JHP 24 gr H110/W296 with heavy roll crimp 1.6" OAL for 12 years in the 44mag revolver and rifle.
range report 2007-1-31
Ruger 44 mag Deerstalker 20" Marlin 444 barrel, cut down to 44 mag, Vari-ii 4X scope,
Measured 1720, 1756 fps
Quickload predicts 1752 fps, 31401 psi