Go to the customer service section of the Ruger website, and look in historical data. Select revolvers, find your model, and see the serial number tables.
Ruger's website has a sn function.
Ruger has extensive sn data on their website.
Ruger has a sn function on their web site.
Ruger's web site has a sn date function
Ruger has extensive sn data on their website.
Ruger has sn data on its website.
A call to Ruger will get you the date it was made
Contact Ruger through their website. IIRC, Ruger has information on their website to check date of manufacture.
1983
1971
Ruger has a sn function you can use on their web site.
Ruger has a sn function on their web site that you can use.