The Sidewinder Combo ships with two cylinders — one in 22 LR and one in 22 WMR — allowing the user to switch calibers by swapping the swing-out cylinder. A versatile option for shooters who want both rimfire options. Type: Revolver Action: Single-Action Caliber: 22 LR / 22 WMR Capacity: 5 Year introduced: 2000, USA Weight: 5.5 oz Overall length: 4.5" Status: Active Intended use: plinking, concealed carry, small game