The High Standard Model D .22 LR Pistol is a usa-made semi-automatic pistol chambered in .22 LR, introduced in 1935. Primary use: self_defense, sport. Type: Pistol Action: Semi-Automatic Caliber: .22 LR Capacity: 10 Year introduced: 1935, USA Weight: 22 oz Overall length: 9" Status: Discontinued Intended use: self_defense, sport