kAcknor Sez:
Click the link. I took a closer look and it also lists .45-70 Government!!!
I wouldn't wish to be on EITHER side of that when it went off!! ;)
BFR has a SA revolver in .45-70, but it has some weight, and I've read it feels like a .44 mag when fired.
"bIjatlh 'e' yImev yItlhutlh!" (Stop talking! Drink!)