Trigger System is the most precise three-lever trigger system in the world.
Each finished forging is precisely machined, creating a strong, stiff and solid receiver that resists flexing and delivers uncanny accuracy.
Both of these barrel lengths turned out to be fairly rare and scarce when mated with the early style XR3 grip frame.
The standard Single-Six with dual cylinders (without the Magnum marking on the cylinder frame which will be covered in a separate series on the Magnum Only Single-Sixes) began to appear around 1961 in the 4-5/8, 5-1/2, and 9-1/2 inch barrel lengths.
For details on your specific serial number you may contact our Service Department: 336-949-5200 For 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.
There are numerous additional variations of the Single-Six that the collector can move into.The ivory grips were dropped from the catalogs about 1958 and the stags were dropped when the grip fame was redesigned in 1962.The original flat cartridge loading gate was changed to a contour or round Colt-style gate in early 1957.For more information and to apply for annual membership please visit The above chart shows the approximate first serial number shipped for the indicated year.By reading on your own and then handling examples of these fine guns you will learn faster and have a much clearer understanding of these guns and their many variations.I would appreciate any better or updated information, additional noted variations, corrections or just general comments regarding these articles.This number should be used as a point of reference only.It is not necessarily the very first serial number shipped, but it can be used to determine the approximate year your Ruger firearm was shipped. The pull weight ranges from 3 to 5 pounds and is factory-set at 3 3/4 pounds. Creep is the perceptible movement of the trigger prior to the release of the firing pin or striker. Overtravel is the rearward movement of the trigger after the firing pin or striker has been released. When the safety is in the intermediate or middle position, the action can still be operated, allowing unfired cartridges to be cycled with the safety on. Operating on a simple pivoting lever principle, the trigger mechanism has been completely redesigned to exhibit zero take up, zero creep and zero overtravel. Trigger System is set at the factory to have no perceptible which is convenient to operate with the thumb of your firing hand, lifting the firing pin away from the sear.These guns had a 5-1/2 inch barrel, a steel cylinder frame, three cylinder frame screws, fixed drift adjustable rear sight, fluted .22 caliber cylinder ( long rifle, long, or short ), flat cartridge loading gate, small serrated ejector rod button, alloy Colt-style XR3These early production guns are known today as Flatgates.Early on in the Single-Six production, stag and ivory grip panels with the Ruger Black Eagle logo could be purchased from the factory for .50 and .50, respectively.Today these complete pristine packages will bring a premium from the discriminating collector.