I have not re barrelled my Browning 1885, but I have my Uberti.
I made a drawing and modified the extractor.
I am sure any gunsmith could do this on conditioned responses, but few that could figure it out on the first try.
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. -Ernest Hemingway The man who makes no mistakes does not usually make anything.-- Edward John Phelps