Hi, before anything else, I already searched about grease and oil but was not able to acquire a solid result so I decided to start asking around.
I have a WE MP5 GBB and was thinking about lubrication particularly on the bolt.
I noticed that the bold, though it is metal, it has 2 plastic parts / tabs on the side which prevents the nozzle from rotating. Here is the photo of the bolt with the plastic part / tab boxed in red:
Now my question, what kind of grease or oil that I can use that is safe on plastic? The bolt has a metal to metal contact and metal to plastic as well.
As of now, I am thinking just using silicone grease or oil alone. I read it is safe on metal, plastic and rubber but it does wear out easily so I need apply it regularly before game day (not every round on a game day) which is not an issue for me since at least I'll be able to maintain my unit each week.
Thank you very much!