1977
That is not a model number, but the serial number. Go to the Ruger website, look under customer service, historical data, Slect rifle, shotgun, pistol or revolver, then find your model. There is a serial number/ year list for all Ruger products.
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.
Ruger website, under Customer Service, Historical Data, pick rifle pistol revolver or shotgun, then your model, and date of manufacture by serial number range is shown.
The Ruger website has sn data on it you can look at.
You will have to call Ruger to find out.
Ruger has sn data on their web site.
The Model 50 was available in 12 or 20 gauge and was introduced in 1967. It was dropped from production in 1975.
Ruger has sn data on their web site.
Ruger has sn information on their web site.
Ruger's website has sn data you can access
Ruger's web site has extensive sn data.
If the Ruger website is up, it has sn data.