This fits the Thompson Center T/C Black Mountain Magnum, New Englander, Gray Hawk, Tree Hawk, and High Plains Sporter Stocks. Barrel is 26 long. Bore is bright and shiny. The item “Thompson Center T/C Black Mountain Magnum Barrel 50 Cal” is in sale since Friday, March 9, 2018. This item is in the category “Sporting Goods\Hunting\Vintage Hunting\Black Powder”. The seller is “r4kidsllc” and is located in Turner, Maine. This item can be shipped to United States.