First Luger! 1936 s/42 and some questions

[Valfodur]

Hi everybody!

I've been lurking on this forum for a little while as my "need" to buy my first luger grew. So far I'm seriously impressed with all the people on here and I look forward to learning more as my luger collection surely grows. "Can't have just one"

I may have overpaid for my 1936 S/42, but my impatience got the best of me and I'm more than happy with it. Its all matching as far as I can tell. The bore is minty and the finish seems solid. One thing that surprised me is in all the pictures Lugers look 'black' however in real life they are a beautiful shade of blueish gray. Very attractive color.

So onto my questions. There is small dots of rust on gun, under the finish in some cases as I'll show in pictures below. It's only really visible if you have a light coming at it from an angle. What is the best method for keeping the rust contained? I don't want to 0000 steel wool it because it'll likely remove the pretty blue finish.

Also, what is the best oil to use to preserve these old boys? Any tips for storage? (I've read of people using de-humidifiers in their gun safes, any links for these?)

Thank you everyone!
Matt

PS - How does one PM? I've seen that mentioned but I don't see a way to do it.