This year I will use my Ruger Super Redhawk .44 Rem. Mag. 7.5" barrrel with a Pentax 1.5-4x Pistol Scope. My loads will be 300 gr. LFN GC LBT style bullet traveling at 1450 f/s and 1400 lb/ft. It will do the job out to 100m. Good luck.