more photos and questions

this 55 is well serial numbered
end plug


compression tube side


compression tube at transfer port


and barrel block


trigger cleaned of an amazing abundance of grease




I attempted to show that the piston has cocking slots on two sides. sorry for the soft focus.


now for questions - was this a factory adjustment? this was set with some force



there is a white-ish residue on the pot metal parts of the site - how best to remove it?


can I make one of these plumbing washers work to replace the defunct original



as always thanks in advance for sharing your expertise.