WOW this is old, For the record that G36 never worked out. I had purchased a JG G36 to start as a base, and it was way too off-spec to work properly with any of the higher end upgrades...
There's a BIG reason why I suggest name-brand guns.
Airsoft Research Syndicate POM MASK sorbo piston head
Airsoft Research Syndicate Sorbo Pad
Helical Gears
Comm lathe'd and balanced TM Motor
A perfect shim job
External high-fiber filled silencer
^------ Recipe for making a quiet gun