| 1950 GAIDOS Fire Control Selector Automatic Firearms |
| 1925 REGIS Regulating Rate Fire In Automatic Firearms |
| 1947 WILLIAM Folding Stock Automatic Firearms |
| 1967 RHEINMETALL GMBH Buffer Systems Automatic Firearms |
| 1922 LEWIS Trigger Mechanism Automatic Firearms |
| 1944 JOSEF Trigger Mechanism Automatic Firearms |
| 1946 GEORGE Feeding Mechanism Automatic Firearms |
| 1965 HARTMUT Magazine Automatic Firearms Art |
| 1945 COLT S CO Feeder Automatic Firearms Art |
| 1925 CHARLES Firing Mechanism Automatic Firearms |
| 1943 Firing Mechanism Automatic Firearms Art |
| 1940 ALEXANDER Cartridge Belt Automatic Firearms |
| 1931 COLT S CO Extractor Automatic Firearms Art |
| 1953 SIMPSON Feeding Mechanism Automatic Firearms |
| 1929 AUTOMATIC PISTOLS INC Trigger Mechanism Firearms |
| 1935 FRITZ Box Magazine Automatic Loading Firearms |
| 1949 TABER Sear Locking Automatic Firearms Art |
| 1958 BERNARD Belt Feed Mechanisms Automatic Firearms |
| 1932 COLT S CO Spring Mechanism Automatic Firearms |
| 1950 BOTTS Buffer Spring Assembly Automatic Firearms |