This is a nice Winchester A5 16 inch sniper rifle scope. It is World War I era. We cannot guarantee it was used on a rifle during this time. It is missing an eye cap and has a dent on the top near the eyepiece. It is marked with \"Manufactured by the Winchester Repeating Arms Co. New Haven, Conn. USA Patented February 9, 1909 A5.\" It is also marked Pat. No. 5 1907.We are not experts in this field so please use the pictures as your guide and ask all questions prior to offerding. Payments are easy with PayPal.Shipping is free. Returns accepted within 14 days. Buyer pays shipping. Thanks for looking and we hope to do business with you.