Had a lucky find of a .177 Mercury S she was in reasonable nick the bluing good with some slight evidence of rust if you looked carefully. The stock was well tired after all the years.
So a bit of spit and polish was needed. Firstly a service and as usual the buffer washer was cheese! It took a fair bit of persuasion to get the piston out! So new buffer seals and spring a relube and back together. Next the stock had a light sand and raised a few dents. Then a few coats of oil over a week and a bit of wax to seal things off and the old girl live to fight another day.