Traditions Thunderbolt .50 Cal. Inline Muzzleloader Ramrod Spring With Screw. Part is from a Traditionals Model Thunderbolt .50 caliber muzzleloading rifle. Guaranteed to be genuine and original. Ramrod Spring With Screw is in good condition, as shown. 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.