What Type Of Bullet?

The students in my third-grade class were bombarding me with questions about my newly pierced ears.

"Does the hole go all the way through?"

"Yes."

"Did it hurt?"

"Just a little."

"Did they stick a needle through your ears?"

"No, they used a special gun."

Silence followed, and then one solemn voice called out, "How far away did they stand?"