Released in 1970. Stainless steel version of Model 19 or Combat Magnum. Chambered for .357 Magnum. Has adjustable sights, square butt with checkered walnut grips and initially offered with a 4" barrel. In 1974, a 2.5" barrel, round butt version was made available. Also available in a 6" barrel, with all target options until discontinued in 1993. Reintroduced in 2014. Seven engineering changes.