It's a secret code amongst S&W owners. It helps all of them feel superior to non-S&W owners, and amongst each other it's a ranking system, secret handshake, and ice cream sundae ticket all rolled into one.
July 8, 2008, 11:54 PM
Prior to 1957, S&W handguns did not have model numbers (hence, the term Pre-Model 29 for example). In 1957, all existing models were assigned a model number, as were new guns as they were introduced. As engineering changes were made the company stamped the frame of each revolver with the model number and a -1, -2, -3, etc. to show the change was implemented on that paraticular gun. For example, the Model 27 became the Model 27-1 when the threads on the extractor rod were changed from right-hand to left-hand to reduce the chance of the rod loosening from recoil, and this model became the 27-2 when the new cylinder stop was implemented with the elimination of the cylinder stop plunger screw.
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