not sure about the mugen body as I didn't try one yet.
Heres the link to the xray on Absolute.
http://www.absolutehobbyz.com/produc...oducts_id=8431
I'm guessing they may be discontinued soon as they marked the price down to 15.99 now. Not sure though.
Here is a pic of mine with the hole for the HS needle. I made it a little too big though.

and here it is side view

I'll take more pics later with close up shots but I had these in the computer already.