How do you get a trigger lock off a gun without the key?

Answer 1

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.