For me same as my GBB :
Silicon spray on hop up / cannon / mag rubber parts and for cleaning.
Rifle oil for mechanical parts.
Tous les jours nous nous endormons plus instruits mais pas forcément moins bêtes...
I can do a CTRL+ATL+DEL on your gun !
Gun doc in Montreal on AEG, GBB, GBBR and Bolt rifle (gaz and spring)
Heavy custom builder (including painting)