Lots of 45/70 fans here.
I had one, ran the gamut on it and the more I used the Remlin, the more it bothered me. I also read about many failures and no company to back it up.
I found the brass could be bent with no effort, I really disliked the fat forearm and really thought the action sounded like it was made from pot metal. The earlier JM's were a little better, imo.
Why would a saddle rifle come with a fat forearm anyways? My rifles ride in a saddle scabbard , butt back , offside and under my stirrup. It was too bothersome for myself.
All said I do like the chambering but the .450 is better, stronger and the BLR is a front locking lever/ bolt...and it is a takedown.
I am saying this for other horseman our there, a saddle rifle takes a beating. Food for thought, imo