The nickel-plated 4" Model 10 was a premium version of the standard police service revolver, offering corrosion resistance and prestige for officers who wanted the traditional mirror-bright nickel finish before stainless became available. Type: Revolver Action: Double-Action Caliber: 38 Special Capacity: 6 Year introduced: 1899, USA Weight: 34 oz Overall length: 9" Status: Discontinued Intended use: Service / Law Enforcement