12 Gauge Slug Barrel Fluted Stainless. The item “Thompson Center Encore 12 Gauge Rifled Pro Hunter 28 Barrel” is in sale since Thursday, September 12, 2019. This item is in the category “Sporting Goods\Hunting\Gun Parts\Rifle”. The seller is “micmitc20″ and is located in Hamilton, Mississippi. This item can be shipped to United States.