I have only used a std Speer 240 gr semi jacketed flat point.Used it in a 44 mag marlin carbine though ,but it killed the elk,one shot, DRT. Only a sampling of one though.
Ditto with a 45-70, same typeof bullet,only 400 gr.


If God wanted you to walk and carry things on your back, He would not have invented stirrups and pack saddles