The GSG-16 is a semi-automatic .22 LR styled after the H&K MP5 submachine gun with a 16.75-inch barrel adapted to a legal rifle-length configuration, offered under the German Sports Gun brand. Type: Rifle Action: Semi-Auto Caliber: .22 LR Capacity: 22 Year introduced: 2013, Germany Weight: 5.95 oz Overall length: 35" Status: Active Intended use: Training/Collecting