The Magnum Research Magnum Lite Switchbolt 22 LR Semi-Auto Rifle has a 17-inch carbon steel threaded barrel with a capacity of 10+1 rounds and an anodized finish. This optics-ready firearm has an aluminum receiver with an integral scope base and a camo fixed thumbhole laminate stock. Magnum Research Magnum Lite Switchbolt 22 LR Semi-Auto Rifle - Rifles Rimfire at Academy Sports