Which model Walther? Has this happened to anyone else we know of? Have you got pictures of the offending parts?
AirArms RN10/EV2 Stock-2007 Big nikko FT Kit
AirArms NJR100 Hawke Airmax SR6 HFT/SFT Kit
Feinwerkbau 600 10 metre
HW77K-zeiler 6-24x44 Work in progress
Webley Vulcan .22 Lovely old relic