The Volquartsen Inferno is a compact semi-automatic .22 LR with a 16.5-inch threaded stainless barrel, designed as a suppressor-friendly competition or tactical training rifle. Type: Rifle Action: Semi-Auto Caliber: .22 LR Capacity: 10 Year introduced: 2015, USA Weight: 5.75 oz Overall length: 35" Status: Active Intended use: Competition/Suppressor Host