Italian Sidelock 50 Cal. Possibly Investarm Lock Assembly With Screws & Washe. Part is from a Italian Sidelock 50 Cal. caliber black powder muzzleloading rifle. Guaranteed to be genuine and original. Lock Assembly With Screws & Washe are 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 us. Seller assumes no liabilities. Know your local laws and use a licensed gunsmith.