Top, Magnum marked Single-Six, model 'RSSM', serial number 301416 shipped with a Magnum only cylinder and varnished walnut grips. Close up view of # 321217's serial number roll mark. Magnum marked Single-Six with varnished walnut grips, serial number 321217. In the next several series of articles I will attempt to provide a general overview of each of the Ruger Single Action revolvers made from 1953 through 1972. Photography by Bill Hamm: RUGER COLLECTING. Ruger's 'Old Model' Single-Sixes by Bill Hamm.

The main difference between the ‘Old' and ‘New' model Ruger Single Six was only safe. Originally the.22 LR had a 5 1/2-inch barrel, and 4 5/8, 6½ and 9½-inch models were later added. Given Colt discontinuing the SAA, the revolver gained a foothold. The Ruger Single Six was inspired by the popularity of TV and movie Westerns in the 1950s. For specific questions or additional information, please contact Customer Service. Note: This service is provided as reference only, and accuracy is not guaranteed. Enter your Ruger® serial number above to view its model number, product line, caliber, production status, ship date and instruction manual.