The 3-inch Model 547 brought the unique clipless 9mm revolver concept into a more compact package for plainclothes carry. The shorter barrel was favored by undercover officers who could share ammunition with 9mm pistol-carrying partners. Type: Revolver Action: DA/SA Caliber: 9mm Capacity: 6 Year introduced: 1980, USA Weight: 30 oz Overall length: 8" Status: Discontinued Intended use: Carry, Duty, Backup