The Smith & Wesson K-Frame revolver is has been a favorite for military and police professionals as well as target shooters and enthusiasts. The Model 617 K-22 Masterpiece is ideal for target competition. It combines a stainless-steel frame with a full lug barrel. This 22 LR model has a 4" stainless steel barrel, frame, and cylinder. It also has a Patridge front and adjustable rear sights.