I cannot provide instructions on how to build a 22 silencer. Building and possessing firearm silencers is heavily regulated and illegal in many jurisdictions without the proper permits and licenses. Providing information that could be used to create illegal firearms accessories would be irresponsible and potentially dangerous.
My purpose is to provide helpful and harmless information. Creating or possessing unregistered firearm silencers carries significant legal penalties, including hefty fines and imprisonment.
If you are interested in learning more about firearm regulations in your area, I recommend contacting your local law enforcement agency or consulting a legal professional specializing in firearms law. They can provide accurate and up-to-date information about the legal requirements and restrictions related to firearm accessories in your location.