I could not figure out this darn ROSSI M59 .22 mag, but heard it is the replica of your Winchester 1890. It really is EXACTLY the same! You answered ALL of my questions. I so greatly appreciate you!!
I have one almost like yours except for the barrel. Mine has a round barrel and was made in 1911. Found it in a barn while in the service. Was working on a horse ranch when not on duty. That was back in 1971. Still have it and it functions and shoots well.
While standing I see you keep the butt very high on your shoulder.. low comb will do that eh? Sweet old rifle and thanks for another enjoyable video. edit.. or high comb?