Headspace is fine. Not ten minutes earlier it was firing Dorfner ammo perfectly well.

A Keilernaedel is a "qualification course" required for driven hunts. It shows you have trained to hit moving targets as well as fixed targets. A boar sized target at 50 meters moves at a little over 3 meters per second in a space about seven meters wide.

https://youtu.be/alf54Dm9R2U