Ruger Security-Six

Development and history[edit]

As far back as 1966, Ruger designers Harry Sefried and Henry Into began working on the company's first double-action revolver. Despite being popular with civilians, Bill Ruger wanted to get into law enforcement and security contracts. Smith & Wesson and Colt at the time dominated the medium frame law enforcement double action revolver contracts.^[4] The introduction of the Security-Six and its variants marked Sturm Ruger's first attempt to enter the double-action revolver market. The corporation's earlier designs had been Colt Peacemaker-style single-action revolvers. Ruger used investment casting for most parts in an effort to hold down production costs.^[5] As with all Ruger firearms, the Security-Six revolvers were robustly designed with large, heavy-duty parts for durability and to allow for investment casting.^[5][6]


Sefried had previously worked for High Standard Manufacturing Company, where he designed the High Standard Sentinel revolver. The grip profile of the Sentinel was used on the "Six" line. Ruger's new double action revolvers were unlike other guns on the market in that they used a one-piece frame, rather than a removable sideplate, which lent them superior strength. The Ruger Redhawk, introduced in 1980 and also designed by Sefried, was a scaled-up and improved version of the Security-Six. The "six series" line enjoyed sales success because of their basic features, solid construction, and competitive pricing.^[5]


Various models were issued by US government agencies as diverse as the NYPD,^[7] the former Immigration and Naturalization Service, the Postal Service, the Border Patrol, and numerous police agencies. The Security-Six and its derivatives also became the standard issue service weapons of a large number of police departments, in addition many were exported overseas.^[3] While Ruger's Security-Six line has been out of production since 1988, a total of over 1.5 million revolvers were produced and they remain well-liked and respected, as well as highly sought after in the second-hand market due to their strength and reliability.^[3][6]


In the early 1980s, Ruger commissioned a heavier duty upgrade of the Six line that could handle a "lifetime diet" of full-powered magnum loads, the GP100, which featured a beefier frame and full under-lug barrel, stronger steels, a redesigned grip frame and, most notably, a triple-locking cylinder to give extra strength to the action. The GP100 replaced the Security-Six in the Ruger product line, but the Six line is still a very strong revolver, popular with shooters and collectors today.