Value of ANY gun is based on make, model, and condition. You gave us ONE of the three. Ruger has made several different pistols in .22 LR over the past 50 years. Get us some information, we will try to get you an answer. Start with model, describe type of metal, barrel, sights, condition.
10-1000 USD depending on specifics. You will have to call Ruger for the ship date
25-250 USD or more depending on specifics
Ruger 1022 .22cal rifle (semi-auto) Remington 572 Fieldmaster .22 (pump)
Troy Industries makes a stock set that fits the Ruger 10-22 rifle.
50-160
You can request a owner's manual at the Ruger website.
$100-$250, depending on condition
A call to Ruger will get you the answer.
If Ruger's website is up, they have extensive sn data on it.
50-500 depending on EXACTLY what you have.
Ruger website, customer service, historical data- and you need the MODEL of the pistol. Your serial number indicates that your Ruger pistol was made in the year 1976.The ending serial number for that year was 13-48646.
Ruger has a sn search function on their web site.