The Ruger Single-Six Convertible includes both a .22 LR and a .22 WMR cylinder. The 6.5-inch barrel provides a longer sight radius for field accuracy. Type: Revolver Action: Single-Action Caliber: .22 LR Capacity: 6 Year introduced: 1961, USA Weight: 35.5 oz Overall length: 11.88" Status: Active Intended use: Plinking, Hunting, Cowboy Action