Nylon 66 variant chambered in .22 Short for use in shooting galleries. Uses the same nylon stock but with a shorter action calibration. The .22 Short chambering is the only variant not in .22 LR. Type: Rifle Action: Semi-Auto Caliber: .22 Short Capacity: 15 Year introduced: 1962, USA Weight: 52 oz Overall length: 38.625" Status: Discontinued Intended use: Plinking / Range Training