6/10 lots that can be done.
New reg
Lose the drop
cp rail
cp on/off
trigger
feedneck
QEV
Bolt
body
Lucky Spitfire board with mac noid
Firing chamber
rear donut
frame
laser eyes if you want to
There are probably more but i cant remember.
Go to this website for any of your wanted upgrades
http://www.buyluckypaintball.com/ser...ts+for+the+Ion