Ruger products are stocked and sold by thousands of federally licensed independent retailers in the United States and in many foreign countries. Does not sell firearms directly to consumers. Ruger Old Model Single Six Serial Number History.At Sturm, Ruger & Co., Inc., we list suggested retail prices because we feel this information is an aid to our customers in examining our products. All prices on this website are suggested only. We are unable to provide any information beyond that. Please Note: The Letter of Authenticity lists the serial number, ship date, model and caliber. For serial numbers manufactured prior to our electronic records or for a Letter of Authenticity, please download and mail in the form. For details on your specific serial number you may contact our Service Departments at 33.
