The 2" square-butt Model 64 provided a compact service revolver configuration in stainless with the standard square-butt frame for full-size holster compatibility. Type: Revolver Action: Double-Action Caliber: 38 Special +P Capacity: 6 Year introduced: 1970, USA Weight: 28 oz Overall length: 6.9" Status: Discontinued Intended use: Service / Backup