Knight Bighorn .50 Cal. Inline Muzzleloader 209 Striker Assembly. Part is also called hammer or bolt. Part is from a Knight Bighorn .50 caliber muzzleloading rifle. Guaranteed to be genuine and original. Striker Assembly is in very good condition and complete. Photos are of the actual item you will receive. Please, examine the photos and if you have any questions about the listing or need additional photos, contact me. Seller assumes no liabilities. Know your local laws and use a licensed gunsmith. (A)