The Hammerli Tac R1, sold under Walther's Hammerli brand, is a precision tactical-style .22 LR rifle built on an AR-pattern chassis for training and competition. The 16.1-inch threaded barrel delivers consistent rimfire accuracy and the familiar AR ergonomics provide direct manual-of-arms compatibility for shooters training on centerfire AR-pattern rifles. An affordable, accurate rimfire training tool. Type: Rifle Action: Semi-Automatic Caliber: .22 LR Capacity: 10 Year introduced: 2015, Germany Weight: 74 oz Overall length: 33.5" Status: Active Intended use: training, competition, target