The Model 64 is the stainless steel version of the Model 10, introduced in 1970. All-stainless construction with fixed sights in the standard K-frame duty configuration. Became the preferred service revolver for departments in coastal and humid environments where a blued gun required constant maintenance. The 4-inch heavy barrel variant was standard. Type: Revolver Action: Double-Action Caliber: .38 Special Capacity: 6 Year introduced: 1970, USA Weight: 34.5 oz Overall length: 9.25" Status: Active Intended use: duty, law_enforcement, collector