Not enough information to answer. Need the model and first few numbers of the serial number.
Call Ruger and they will tell you. Go the Ruger website and use the serial number date function.
no Ruger ref in front of me. Call ruger and they will tell you.
Contact Ruger through their website. IIRC, Ruger has information on their website to check date of manufacture.
Ruger's website has sn data.
Ruger's website has a sn function.
Ruger website, under customer service, historical data, revolver, find your model, date ranges are there. Very nice of Ruger to do that.
Ruger has sn information on their web site.
Ruger has sn data on their web site.
Ruger has extensive sn data on their website.
You will have to call Ruger.
The Ruger website, under customer service, hostorical data, has a date of manufacture listing by serial number.
Contact Ruger customer service through their website. I THINK Ruger also has a search for Date Of Manufacture there.