Smith & Wesson 160578: The medium frame Smith & Wesson Model 617, chambered for .22 LR, is perfect for target competition and combines a stainless steel frame with a full lug barrel to deliver the best featured revolver in history.,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 is ideal perfect for target competition. It combines a stainless steel frame with a full lug barrel.This 22 LR model has a 6\" stainless steel barrel, frame, and cylinder. It also has a Patridge front and adjustable rear sights.