The Model 351C is an AirLite J-frame chambered in .22 Winchester Magnum Rimfire with a seven-shot cylinder and 1.875-inch barrel. The .22 WMR provides more energy than .22 LR in a platform no larger than the standard J-frame snubnose. Designed as a lightweight trail companion that delivers more terminal performance than .22 LR from the same compact package. Type: Revolver Action: Double-Action Caliber: .22 WMR Capacity: 7 Year introduced: 2010, USA Weight: 10.8 oz Overall length: 6.25" Status: Active Intended use: Field, Concealed Carry