For example, waiting periods mean that people can't protect themselves from stalkers and other predators. In Wisconsin, Bonnie Elmasri wanted a gun to protect herself from a man who had repeatedly threatened to kill her. Her state government required that she wait 48 hours before it would allow her the means to defend herself. The very next day, she and her two sons were murdered. Fortunately, Wisconsin repealed its waiting period a few years ago.
Trigger locks are fine for some people, but dangerous if mandated.
They actually make a loaded firearm more likely to discharge if the it is dropped. And relying on government-mandated safety devices may encourage some parents to leave loaded guns lying around unsupervised children. In 1998, a girl in Nova Scotia shot a friend while playing with a loaded gun that had a trigger lock on it.