Don't forget the BFR (Bigger,Finest, Revolver) .... I have a healthy respect for any revolver that can shoot 45/70 Government.
I love my BFR in 45/70. It took me a while to work up a reliable and safe load. The manufacturer specs the max pressure at 31,000 PSI. That is all they will tell you about making loads for the BFR. Any load that is safe in the BFR is fine in the Marlin 1895G as well. What a pleasant pair in the field.