https //This number should be used as a point of reference … Ruger Serial Number Lookup New Model Single Six. The old serial number dating charts are gone from the SN lookup section of Customer Service, replaced by a search window in which to enter the SN.Also, within a model family the same serial number prefix may be used to produce a variety of different models, all in the same block of serial numbers. There are occasions when blocks of serial numbers have been manufactured out of sequence, sometimes years later. Ruger does not produce firearms in serial number order. Now Im shown a field to enter the serial number and the web site comes back with the model number, a photo of the model, the approximate ship date and a link … Ruger does not produce firearms in serial number order. Until this week, every time I looked up a serial number, Rugers web site presented me with a table list of a models numbers and approximate date of manufacture.1 Rifle serial numbers Mini14 18340455 … Check Vehicle History Reports And Vin at: