Ruger has extensive serial number data on their website.
Ruger has extensive sn data on their website.
You will have to call Ruger.
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.
If the Ruger website will work for you, they have sn data.
Ruger has extensive sn data on their website.
Ruger's website has a sn look up area.
Ruger has a sn function on their web site.
If the Ruger website is up, it has sn data
Ruger has sn data on its website.
1971
1983