Knight MK-85 .50 Cal Inline Muzzleloader Striker Or Hammer Set Screw. Part is from a Knight Model Knight MK-85 .50 caliber muzzleloading rifle. Guaranteed to be genuine and original. Striker Or Hammer Set Screw is in good condition. 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. (E)