I have had good results in my 44 BD using 44 Russian cases and lighter bullets with modest charges of Bullseye and HP-38. Lee mold 429-214 SWC drops bullets at 218 grains, which also works for light loads in 44 Magnum. This bullet does not work well in my 1984 Marlin.; it is too small for the microgroove barrel.
For defensive uses, a 200 grain .430 bullet at 600 fps should be sufficient.
For defensive uses, a 200 grain .430 bullet at 600 fps should be sufficient.