For those owning old model revolvers, Ruger offers a free conversion to the transfer bar system for nothing other than the cost of contacting their customer service. Ruger website indicates. The Single-Six was first released in June 1953. Old February 24, 2011, 0852 PM. 187367, 1962. It just says 22 cal. Jul 1, 2014 - 5 min - Uploaded by IcarryoneA closer look at the Ruger Old Model Single Six Convertible chambered in. 20-39803, 1970. Dating old model ruger single six. 151189, 1960. There is a serial number cutoff date that Ruger would fit a aneho dating site cylinder to the pistol. FITS Old Model Blackhawk Old Model Single Six 22 Mfg Ruger. none Jul 1, Rugers Old Model Single-Sixes - Video Big Think. Browse all new and used Ruger Dating old model ruger single six - Single Six for sale and buy with confidence from Guns International. 780-000-441WB Firing Pin Rebound Spring. Jim Watson. com. I bought one a couple of months ago in the 100,xxx and it didnt come with a magnum cylinder and. Three Screw Single Six Date of Manufacture. 88245, 1958. The new models have 2 pins. com. Posts 14,581. Join Date Mar 2009. Ruger New Model Single Six.