The Thompson Center Black Diamond Inline Muzzleloader Barrel is a vintage piece manufactured in the United States by Thompson/Center Arms. This barrel is specifically designed for rifles, with a muzzleloader load type, making it a unique and sought-after item for hunting enthusiasts. With its classic design and high-quality construction, this barrel is perfect for those looking to add a piece of history to their hunting firearm collection. The part is from a Thompson Center .50 Caliber inline Black Diamond muzzleloader. Barrel is in good condition, as shown. Includes all shown. Please examine all the photos and if you have any questions about the listed item or need additional photos of a specific area of the listing, contact us. We try to make accurate listings, but please let us know if something could be more accurate or precise. Seller assumes no liabilities. Know your local laws and use a licensed gunsmith.