The Mark III added a loaded chamber indicator, magazine disconnect, and internal lock to the Mark II design. These additions were controversial among enthusiasts who preferred the simpler Mark II but were required for California compliance. Type: Pistol Action: Semi-Automatic Caliber: .22 LR Capacity: 10 Year introduced: 2004, USA Weight: 33 oz Overall length: 8.75" Status: Discontinued Intended use: Target, Plinking, Training