Where can you find a breech plug for 50 caliber knight muzzle loader?

You can find a breech plug for a .50 caliber Knight muzzleloader at specialty firearm retailers, both online and in physical stores. Websites like MidwayUSA, Brownells, and the official Knight Rifles website often carry parts for their muzzleloaders. Additionally, local gun shops or sporting goods stores may have the part in stock or can order it for you. Always ensure that you are purchasing the correct one compatible with your specific model.