I would not suggest getting shot in the leg by a pneumatic nailgun. I managed to self-inflict such a wound while working construction at the ripe age of 20, and spent 6 weeks recovering. Miraculously, the nail entered my knee joint between the two leg bones and did not (as the doctor said would have happened if the nail had been 0.5 inches north or south) shatter my knee. I did have arthroscopic surgery after they pulled the nail with a pair of channellocks. Ew.

Somewhere, I still have the nail.