.500 Bushwhacker gel test.
https://www.youtube.com/watch?v=HTJaCXQpMyk
Summary: penetrated 40-60 inches of ballistic gel depending on bullet, muzzle energy in excess of 4000 ft-lbs. A handgun capable of taking down dinosaurs.
daleamn wrote: making it a crime not to report lost or stolen firearms doesn't seem like it would decrease crime at all.