Scope and Contents WILL.SPA.1952.6  Foolproof Receiver Sight and Streamlined Ramp 1952 June   Sports Afield WILL.SPA.1952.10  Foolproof Receiver Sight and “Quick Convertible” Offset Mount 1952 October   Sports Afield WILL.SPA.1954.3  Foolproof Receiver Sight, Streamlined Ramp, and Quick Convertible Offset Mount 1954 March   Sports Afield WILL.SPA.1954.11  Foolproof Sights and Offset Mount 1954 November   Sports Afield  WILL.FS.1955.1  “Foolproof” Receiver Sight and Offset Mounts 1955 January   Field and...