Knight LK-93 Muzzle Loading In-line .50 Cal- Hammer Assy.. This part is specific to this gun. Consult your local gun smith if you are not completely sure. Thank you for looking and have a blessed day. We will only ship to address that is on file with the store, please before purchasing make sure your address is updated with the store. Any Items marked return to send, which is us, will be deemed undeliverable and so we will refund you your monies and relist item.