First off if you have never modded a gun, don't do it yourself.
Get a gunsmith to mod it.
Are you going to keep it stock? i.e Internals.
Here is how to mod it for a 9.6v
http://www.uncompany.com/information...6c1500modi.asp
I do however will enforce the dont do it yourself unless you are 100% capable
as I have seen people make a small mistake and ruin the whole front end.
You will also need one of these
http://www.uncompany.com/images/batt...h-g36c_big.jpg