Stainless steel counterpart to the blued Model 10 — K-frame .38 Special with a 4-inch barrel in all-stainless construction. Introduced when S&W began applying stainless steel to its most popular designs. The Model 64 served the same duty role as the Model 10 but with improved corrosion resistance. Type: Revolver Action: Double-Action / Single-Action Caliber: 38 Special +P Capacity: 6 Year introduced: 1970, USA Weight: 31 oz Overall length: 9.5" Status: Active Intended use: Duty / Service, Law Enforcement