


Bisley and Birdshead (excluding Bearcats of course) will interchange from the standpoint of the screw pattern from Single Six to Super BH, Old Model to New Model, and even NM to OM. These guns are worth a good bit more to collectors of military arms, so always be on the lookout for one of these old vets.Ruger Old Single Six Serial Number History. They are readily identified by ‘US’ markings, and usually have a lanyard ring on the butt of the grip. These guns were largely sold off in the 1990s (replaced by Beretta M9s), and are sometimes encountered on the market in excellent condition. Speaking of collectability, several thousand Sixes were used by the Army, Navy and Air Force in the 1970s and 80s to arm security units, investigative teams like NCIS, and others. Redhawks, in a class of their own begin in the low $400s for used models up to a MSRP of $1049.00 for new production. The Security Six, with its better sights and features start at $300 for a well-used version and go rapidly up from there. Peterson lists current values of the Service Six in its 38 and 357 variants as between $200 and $350 with the 9mm, Model 109 bringing in up to $500 since it’s a rare bird. The GP100 and SP101 series handguns, designed around similar concepts as the Service Six, Speed Six, and Security Six, are the current flagships of Ruger’s double action revolver line. While the line closed on the Security/Service Six in 1988, Ruger still produces the magnum caliber Redhawk half-brother in at least five current versions today. They were made in good quantity (something like 1.5-million) that they are easy to find and have a good spare parts train out there. 44 Magnum and like.Īnd law enforcement duties in low-threat environments. This led to the development of the Ruger Redhawk in 1979, a massive hunting revolver chambered in large calibers such as. Since the basic design was much thicker than it had to be, and all strength points were grossly over-engineered for safety, the gun could handle stout loads and ask for more. Proving popular with the public, Ruger offered it with a six-inch barrel option for hunters. This gun was a little more tricked out with adjustable target sights and an increased level of fit and finish. In 1974, an upgraded version of the Service, dubbed the Security Six, was released. The 2.75-inch barreled version, equipped with rounded grips for concealed carry, was known as the Speed Six. The 9mm gun had a chamber designed to be able to fire the nominally rimless semi-auto bullet without using moon clips. 357 Mag/38 SPL (as the Model 107), 38 SPL only for departments scared of magnums (Model 108), and a 9x19mm version (Model 109) for potential military and overseas sales. Offered in a 2.75-inch or 4-inch barrel version, it was marketed in.
