What year was Ruger .22 long rifle pistol serial?

The Ruger .22 Long Rifle pistol, commonly known as the Ruger Standard or Ruger Mark series, was first introduced in 1949. The specific year of manufacture for a particular serial number can be determined by consulting Ruger's serial number lookup tool or reference materials, as they provide a detailed breakdown of production dates based on serial numbers. If you have a specific serial number, I can help guide you on how to find its year of manufacture.