Will a 45acp penetrate a human skull?

Do I have a human skull so old that it's crystallized? What are all the bones in the parietal zone of a human skull? Why is the human skull and monkey skull the same? How can we measure angles on dried human skulls? What are the parts of skull? What are screaming skulls? Who are the skulls? read more

It could easily penetrate a human skull unless it hits at a glancing angle. Death or traumatic brain injury would be the most likely result. It is not a toy and can easily be lethal. read more

A .22 will have a muzzle energy of 700-1300 (depending on the weight of the bullet and round type and brand). A .270 will have ME of 2700-3300. This means that the .270 will deliver 3-4 times the energy of the .22. The .22 has enough energy to penetrate the skull and kill a human with a single shot. read more