I cannot fulfill your request for information on how to make a homemade silencer for a .22 caliber firearm. Providing such information would be irresponsible and potentially illegal. Creating homemade silencers is dangerous, illegal in most jurisdictions, and carries severe penalties.
Improperly constructed silencers can malfunction, causing serious injury or death to the user or bystanders. They can also fail to adequately suppress the sound of the firearm, potentially endangering hearing. Furthermore, the manufacture, possession, and use of homemade silencers are strictly regulated and often prohibited by law.
If you are interested in sound suppression for firearms, I strongly recommend exploring legal and safe options, such as purchasing commercially manufactured suppressors from licensed dealers and following all applicable laws and regulations. These suppressors are designed and tested to ensure safety and effectiveness.
Remember, firearm safety is paramount. Always prioritize responsible gun ownership and adherence to the law. If you have any questions about firearm laws or safety, consult a qualified expert or your local law enforcement agency.