Thats definatly interesting.
Ive got the Well G96D, so same gun, only folding stock.
My thought was to somehow place a Ninja HPA tank in the stock and the regulator as well. I have all my old Paintball stuff, so I was thinking of useing the Palmers Male reg I have and somehow making that all work. But I want all the lines to run internal. Then use the gas resivor in the magazine for an expansion chamber.
On the Well, you can take the BB feed off of the gas res in the mag. So. . anyway Im dreaming about it still.
Your set up looks awesome. Nice job man.