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.
If the Ruger website will work for you, they have sn data.
Ruger's website has a sn look up area.
If the Ruger website is up, it has sn data
Contact Ruger customer service through their website. I THINK Ruger also has a search for Date Of Manufacture there.
Check the Ruger website. If the sn function is up, you can find out.
If you can access the Ruger web site, sn data is posted.
Ruger's website has sn data on it. Not working for me right now.
Ruger has extensive sn data on their website.
You will have to call Ruger.
Ruger has extensive serial number data on their website.
Contact Ruger through their website. IIRC, Ruger has information on their website to check date of manufacture.
Ruger's website has information on serial numbers, and year of manufacture. Go to customer service, historical data.