Take it to a locksmith.
Ummm...thanks tips. To get a trigger lock off yourself that you have lost the key for, you can simply drill out the lock mechanism (where the key goes). A drill press is the best for this. For the combo locks with a sliding cover, you can just hit the cover sharply with a hammer and it will break the lock mechanism, releasing the lock. These trigger locks were made primarily to keep kids fingers off guns, not for national security.
the trigger and the bullet.
Generally a pistol lock fits in the trigger housing to prevent the trigger from being pulled. Usually takes a key to open and close it.
If the key turns, but the lock doesn't function, then the lock is broken.
Removing a ignition lock cylinder from a 2002 ford windstar with no key
yes.
pick the lock or use a skeleton key
You have to have a combination. If you have a key lock you don't need a combination, all it is is a lock that says master and a key to turn it and then it opens what you have in it.
Without the key you are going to have to drill it out.
unless the weapon has been rendered unusable, it would still be a weapon
I would call a locksmith.
With the key. If you do not have the key, take it to a gunsmith. If you are not comfortable taking it to a gunsmith, you are the reason the lock was put there in the first place.
Mine is used on a gun safe.