...Old World stuff can be dangerous. It just takes time to learn how to use it. Here -

[He takes the other boy's arm and helps him raise it.]

You need to turn off the safety here. Then it will fire. But you have to watch for the recoil. And if they're further away you need to aim higher.

[He explains calmly. Like he doesn't think it's bad for the other boy to have a gun at all, just that he wants him to know how to use it. Then he glances into the distance.]

I dunno. It doesn't look like the Demons that I've seen back home.