The Single-Nine holds 9 rounds of .22 WMR in a cylinder designed around the smaller rimfire cartridge. The 9-shot capacity is the primary selling point — standard .22 WMR single-action revolvers hold 6 rounds; the Single-Nine gives 50% more ammunition before reloading. The 6.5-inch barrel is the only factory configuration. Type: Revolver Action: Single-Action Caliber: .22 WMR Capacity: 9 Year introduced: 2012, USA Weight: 39 oz Overall length: 12" Status: Active Intended use: plinking, small_game, sporting, Small Game, Hunting, Plinking