The first and only AR-platform rifle chambered in .17 Winchester Super Magnum with a 20-inch barrel. Fires the .17 WSM rimfire cartridge at 3,000 fps from a self-contained semi-automatic platform. Unique varmint and small game option. Type: Rifle Action: Semi-Automatic Caliber: .17 WSM Capacity: 10 Year introduced: 2014, USA Weight: 6.2 oz Overall length: 38.5" Status: Active Intended use: Hunting / Varminting