The Smith & Wesson Model 66 was introduced in 1970 as the stainless version of the gunmaker's iconic Model 19, which was derived from the original Combat Magnum in 1955. The Combat Magnum itself was brought about as a duty-sized revolver for police forces looking to step up to magnum power while keeping the same sized-handgun as their .38 Specials. The new Model 66 comes with a white outline adjustable rear sight, red ramp front sight, 6-round capacity and glass bead finish. It sports a 4.5" barrel, full top strap and barrel serration, and features ball-detent lock-up.
Watch this "Rifleman Review" segment from a recent episode of American Rifleman TV as Mark Keefe looks at the Smith & Wesson Model 66 .357 Magnum.
For more on the history of the Model 66, please enjoy the following article: