The Model 15 Combat Masterpiece is a K-Frame .38 Special with a 4" barrel and adjustable rear sight — combining the target accuracy of the K-38 Masterpiece with a service-length barrel. Widely used by law enforcement and military. Type: Revolver Action: Double-Action Caliber: 38 Special Capacity: 6 Year introduced: 1949, USA Weight: 34 oz Overall length: 9" Status: Discontinued Military use: Yes Intended use: Service / Target