primer
Munitionskomponente, legitimer Begriff aus Waffenherstellung und Fertigung
Das kleine kreisförmige Metallteil, meist aus Messing, an der Basis einer Patrone, auf das der Schlagbolzen in der Kammer trifft, um einen Funken zu erzeugen und das Pulver der Patrone zu zünden.
Student: Why can't we use that bullet? It's a 9x19mm, isn't it? Instructor: Yes, but it's a dud. Student: What? Instructor: As you can see, there is a dent in the primer. It was hit by the hammer, but did not spark, and therefore did not eject from the barrel.