Originally Posted by A5Antonio
Yes. Look at a installation vid. A hole is needed to be drilled in the back. It is premarked for guidance. It is only one drill though. However, a mistake could still happen. And that's what I don't want
I realize this is a duplicate thread, but ill contribute here as well.
Its really hard to mess up that hole. Tippmann tells you what size bit you need, and if you go slow and straight, youll have a nice clean hole.
Also, the TPX will run on HPA just fine.