breaks a gun when it hits him

The girl immediately threw the F2000R at the boy’s face as the rifle was now empty. She
did not think that it would act as a fatal blow, but she hoped it would provide an
instantaneous opening she could use to escape.
However, the boy did not move even slightly. The instant the rifle struck the boy’s face,
the F2000R broke to pieces. It was as if the gun had been chomped on by giant invisible
fangs.

- Toaru Majutsu no Index Volume 3, Chapter 2 Part 5