Seven-shot scandium-frame J-frame in .22 WMR with exposed hammer (PD designation). Predates the 351C and features an exposed hammer allowing single-action cocking. Scandium frame and titanium cylinder minimize weight. Discontinued and replaced by the 351C concealed hammer version. Type: Revolver Action: Double-Action Only Caliber: 22 WMR Capacity: 7 Year introduced: 2004, USA Weight: 11.5 oz Overall length: 6.31" Status: Discontinued Intended use: Concealed Carry / Backup