Stainless steel K-Frame revolver in .357 Magnum, the stainless counterpart to the blued Model 19. The Model 66 became the definitive stainless duty revolver before semi-automatics dominated law enforcement. Discontinued in 1999 and reintroduced in 2014. Type: Revolver Action: Double-Action Caliber: .357 Magnum Capacity: 6 Year introduced: 1970, USA Weight: 36.5 oz Overall length: 9.6" Status: Active Intended use: Defense, Law Enforcement, Collecting