Liked his Mare’s Leg - I bought one from Henry Rifles and the other from Braztech (Rossi)....both in 45LC.
I too thought the Mare’s Leg was a great gimmick.
One thing I always wondered about was the cartridges in his belt loop were so long that there could not be room for more than one in that short magazine.
The gun was probably a cut down model 92, maybe in 44-40 but the cartridges looked like 30-40 Krag or maybe even 45-70.