The 629 Powerport is a Performance Center variant featuring an integral ported 6.5" barrel to reduce muzzle rise with full-power .44 Magnum ammunition. The ports are machined directly into the barrel, a significant engineering distinction from add-on compensators. Type: Revolver Action: Double-Action Caliber: 44 Magnum Capacity: 6 Year introduced: 1994, USA Weight: 47.5 oz Overall length: 12.5" Status: Discontinued Intended use: Hunting / Competition