The 4.125" Model 629 is a specific Performance Center barrel length providing a marginally longer sight radius than the standard 4" while remaining compact. Found primarily on Pro Series and PC production revolvers. Type: Revolver Action: Double-Action Caliber: 44 Magnum Capacity: 6 Year introduced: 2010, USA Weight: 41.5 oz Overall length: 9.6" Status: Active Intended use: Competition / Hunting