Ruger website, under customer service, historical data, revolver, find your model, date ranges are there. Very nice of Ruger to do that.
To determine the manufacture date of a Ruger Single-Six based on its serial number, you can refer to Ruger's official records or a reliable serial number reference guide. Ruger's production dates for the Single-Six are often categorized by specific serial number ranges. You can also contact Ruger customer service for assistance in identifying the manufacture date using the serial number.
Ruger has extensive sn data on their website.
You will have to call Ruger.
The serial number on the security six is located on the bottom of the frame under the grip. the year of manufacture can be found here: http://www.ruger.com/Firearms/PS-SerialNumberHistory-RE.html#
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.
Ruger has a sn function on their web site.
Ruger's website has a sn look up area.
Ruger has extensive sn data on their website.
Ruger has sn data on its website.
If the Ruger website is up, it has sn data