here is the design drawing, I took myself the freedom of uploading it.
For the paper wadding, I have never had much luck with that in my hybrid. Seems like it's just not sturdy enough, and I am also afraid to jam the barrel and denting it since it was quite expensive.
It would be nice to arrange a meeting, three times the brainpower and funds have to bring nice results

It could be quite hard with my English though.
Thanks, I am working on getting a union that allows me to get to 20x at the moment. Those over here appears to have been designed to make spudders mad.