The Single-Six is one of the longest continuously produced firearms in American history, a single-action .22 rimfire revolver built to Colt SAA proportions for affordable target and plinking use. Type: Revolver Action: Single-Action Caliber: .22 LR Capacity: 6 Year introduced: 1953, USA Weight: 35 oz Overall length: 10.6" Status: Active Intended use: plinking, small game, training