Co-designed by Samuel Colt and Texas Ranger Samuel Walker. At 4.5 lbs the largest cap-and-ball revolver ever made. Type: Revolver Action: Single-Action Caliber: .44 Caliber Ball Capacity: 6 Year introduced: 1847, USA Weight: 73 oz Overall length: 15.5" Status: Discontinued Military use: Yes Intended use: military, collecting