I'm not sure if other people have this problem too. I'm also not sure if other people already found a solution to this. But it's such a little effort for me to point it out so here it goes:
I was having a problem with the trigger, everytime I pulled it fell out of it's shaft as shown in the picture. I found a simple solution to this, a small rubberband tied around it. Just look at the pictures if you wanna know more.