Thanks for that , I thought there probably shouldn't be air escaping there!
I did initially think it was coming from the breech area as the oring on the bolt was missing, but I fitted a new oring from a kit and I hope its the right size , is there one size for .177 and.22 or are they different?
The gun is an early one I believe as the adjuster has a larger hexagonal locknut around the grub screw. How is this area normally sealed then ? Is there another oring on the adjuster somewhere?
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