While it's a cool concept, I highly doubt that anyone would want to use those shells for propulsion. The shell's valve reliability is mediocre at best.
I do think that there is a member on here that took a airsoft shotgun that used shells and made it work for .68.
__________________ My Feedback
"There isn't much that I feel I need, a solid soul and the blood I bleed."
"It's funny how the music put times in perspective, add a soundtrack to your life and perfect it."
Originally Posted by BigEvil
The problem is that when other fields try for pump-only events no one attends and that is the end of them. People are a lot of talk.