As a employee of Airsoft Innovations, I would first like to thank you for using our propane adaptor. Many people do not realize this, but all you have to do is put a few drops of silicone oil onto the valve of the propane bottle, put our propane adaptor onto the propane bottle, and you're good to go for 8 - 10 refills.
Do NOT use any sort of aerosol spray in your gun. Even if your gun is full metal it still has plastic internals, and the additives will be harmful to your gun's internals. RC shock oil will work, but even the lightest weight shock oil (10wt) can be quite viscous. If you wish to purchase light weight silicone oil (1.5wt) you can do so here: