I have one but it is a long time since I have shot it. As I recall mine would only shoot paper patched bullets accurately but part of that may have been my reloading knowledge at the time. Mine is in 40-70 Sharps straight and being a frugal (cheap) bugger, I made a short version of the shell from 303 shells blown out straight
My only criticism of the gun as I recall was that the thumb lever for opening was not as easy as a Sharps or a highwall with their longer levers and being able to use your whole hand. If the price is right, I don't see any difference from any other single shot rifle
cheers mooncoon