Gun locks vary significantly from one another. However, most of the guns we sell fall into the categories:
Bar-action Hammerless Guns
Back-action Hammerless Guns
Bar-action Hammer Guns
Back-action Hammer Guns
Trigger-plate Hammerless Guns
Trigger-plate Hammer Guns
Self-opening Hammerless Guns
Assisted-opening Hammerless Guns
Boxlocks or other Body-action guns.
The gallery below will be added to, as good examples of the various lock types come to light for illustrative purposes.