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Old 18th October 2011, 06:16 AM
Pod Pod is offline
Join Date: May 2010
Member of: Bisley
Location: Reading
Posts: 26

It is likely to be the probe O ring. They are BS003 for .177 and BS004 for .22.

If this doesn't sort it, then it could be a transfer port O ring but the breech needs removing to do this. If it has AT fitted then it will need to go to a dealer or back to the factory. Transfer port O rings are BS008.
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