38 Special, and 9mm Parabellum (cut for moon clips) were also available. 357 Magnum revolvers go is relatively light and a feature much appreciated by those who carried one day in, day out as a duty or service gun.

Yet the versatile 4.0-inch-barreled version weighed only 33.5 ounces, which as far as. It was stronger than Smith & Wesson's excellent Model 19 and could better withstand a steady diet of heavy magnum cartridges. Typical to Ruger creed, it was made using robust, cost-effective investment castings and coil springs and quickly gained a reputation for durability and reliability. For a lot of handgunners, the Security-Six revolver was a flawless sixshooter, and that is unusual for a first effort.Ĭonceived as a powerful middleweight sidearm for self-defense, law enforcement, and military purposes, the Security-Six is a midsize, six-shot double action. Many thought it had no deficiencies at all. A lot of shooters thought the design had no bugs that needed to be worked out. And in some cases, firearms may be stored for a length of time before they are shipped.įor details on your specific serial number you may contact our Service Department: 33įor serial numbers manufactured prior to our electronic records, or for an official letter confirming the details on your firearm please download and mail in the Request for Letter of Authenticity form.Ĭopyright © 2016 by Sturm, Ruger & Co., Inc.Bill Ruger's first double-action revolver wasn't just a success, it was almost perfect. 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 necessarily produce firearms in serial number order. It can be used to determine the approximate year your Ruger firearm was It is not necessarily the very first serial number shipped, but This number should be used as a point of reference The above chart shows the approximate first serial number shipped for (Manufactured from 1956 to 1959) Caliber: 22 LR Ruger Single Six Lightweight Serial Number History

Ruger single six serial numbers 155