| 1947 REMINGTON ARMS INC Breech Bolt Lock Firearms |
| 1949 ALEXANDER Breech Bolt With Gauge Members |
| 1947 GEN MOTORS CORP Breech Bolt Latching Mechanism |
| 1964 JARVIS Breech Block Locking Bolt A Gun Art |
| 1947 MARLIN FIREARMS CO Breech Bolt Retracting Means |
| 1950 HANNS Automatic Firearm Breech Bolt Lock |
| 1952 NOBLE INC Rifle With Integral Breech Bolt Magazine |
| 1952 CLARKE Breech Bolt Lock Actuator Firearms |
| 1955 HARVEY Breech Bolt Lock Automatic Firearms |
| 1958 RAY Rockable Breech Bolt Locking Block Art |
| 1952 DAVIDSON Rifle With Integral Breech Bolt Magazine |
| 1950 BERNARD Pivoted Breech Bolt Lock Patent |
| 1960 ALAN Firing Pin Breech Bolt Safety Art |
| 1947 WILLIAM Breech Bolt For Firearms Patent |
| 1950 LOUIS Breech Hood Breech Bolt Lock Art |
| 1959 OLIN MATHIESON Multi Part Breech Bolt Mechanism |
| 1951 BERNARD Pivoted Lock Breech Bolt Locking Members |
| 1932 VON Breech Bolt Automatic Firearms Art |
| 1947 LOOMIS Breech Bolt Lock For Firearms Patent |
| 1949 GEN MOTORS CORP Breech Bolt Mechanism Art |
| 1947 JENKINSON Breech Bolt Retracting Means Art |
| 1949 AUTOYRE INC Breech Bolt With Gauge Members |
| 1966 BENSON Breech Bolt Mechanism Bolt Action Firearms |
| 1959 BUTLER Multi Part Breech Bolt Mechanism Art |
| 1920 GRANT HAMMOND Breech Bolt Stop Patent Print |
| 1920 GRANT Breech Bolt Lock For Firearms Patent |
| 1968 BROWNING Breech Bolt Carrier Assembly Slide Cover |
| 1952 SCHNEPEL Transverse Sliding Breech Bolt Lock |
| 1960 GABOR Breech Bolt Moved By Rifle Grip Art |
| 1952 BONIFACIO Self Acting Breech Bolt Blocking |
| 1947 SAMPSON Breech Bolt Retracting Means Patent |
| 1964 OLIN MATHIESON Breech Block Locking Bolt A Gun |
| 1947 GEN MOTORS CORP Breech Bolt Retracting Means |
| 1947 DELSOLE Extractor Breech Bolt Assembly Firearms |
| 1960 HUGHEL Breech Bolt Mechanism Repeating Rifles |
| 1949 RATAICZAK Breech Bolt Mechanism Patent |
| 1947 RATAICZAK Breech Bolt Latching Mechanism |
| 1950 MINASOLA Breech Bolt Reciprocating Mechanism |
| 1962 GROVES KATHERINE Breech Bolt Lock Patent |
| MARLIN 1889 1894 SRC BREECH BOLT WINCHESTER 44 WCF |
| Smart Parts ION Breech Firing Can Donut Bolt Detent NEW |