I dont really know what you want but here's a rough list for some basic modifications
using existing parts:
-KM hammer set
-fire fly/nineball High flow Valve
-firefly nozzle
-nine ball recoil spring (or KA 170%)
-nine ball hammer spring (or KA 170%)
-nine ball 6.03 barrel
-Guarder loading muzzle
-Guarder aluminium alloy frame set
-Guarder steel sights set
-Guarder steel slide lock
mind that some parts do not have post market upgrades or are long discontinued, such as the hob up rubber and the loading muzzle hose, when these break you'll need to buy 1 more marui desert eagle for parts. You can also consider custom parts if you can afford them.
