The HK SL8-6 .22 LR is an H&K-licensed German-made semi-automatic rimfire in the bullpup G36 aesthetic pattern with a 20.8-inch barrel, providing the HK handling experience in economical rimfire format. Type: Rifle Action: Semi-Auto Caliber: .22 LR Capacity: 10 Year introduced: 2009, Germany Weight: 6.5 oz Overall length: 29.5" Status: Active Intended use: Training/Collecting