Definition: a type of gun-lock in which the sear (the catch used in a gun-lock which engages the lock and is released by the trigger) operates vertically and the steel and pan-cover are made as one element.
Definition: a type of gun-lock in which the sear (the catch used in a gun-lock which engages the lock and is released by the trigger) operates vertically and the steel and pan-cover are made as one element.


