Pic of shell:

So we will have to cut it down to this:

(that is my mega missle that it is attached to.)
After that you just simply cut out the back:

Here it is with a barrel and all on my mega missle:

So if you have a spare rfr shell around, then you can make a "homemade" coupler. Feedback?
Edit: Here is it shooting out of my mega missle, as you can see, it works. http://tinypic.com/p...hp?v=eimg3o&s=7
Edited by lionhawk, 12 December 2010 - 10:29 PM.