It would help if you gave the model number.
You will have to call Ruger.
Ruger has a sn function on their web site.
Go to the Ruger website- look under customer service- data- rifle- your model, then llok for your serial number.
You will have to contact Ruger or look it up on their website since you don't provide the full sn.
Contact Ruger through their website. IIRC, Ruger has information on their website to check date of manufacture.
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.
Go to Ruger's web site. They have sn data you can look up.
Ruger's website has sn data.
Ruger's website has a sn function.
Go to the Ruger website, Customer Service. If you want to know date of manufacture, under Customer Service, select Historical data, Rifle, your model, and find your serial number.
Ruger has extensive sn data on their website.
The manufacture date is when the rifle was made.