Corrosion in gas block?

[greene]

I just received a KAC folding front sight gas block and upon inspection I noticed rust inside the hole meant for the gas tube. I was able to get some out, but not all. Is this going to cause a problem down the road or is it nothing to worry about? I have not contacted them yet because I don't really think it's going to affect anything, but I just wanted to double check before I pin it to a barrel. Thanks.

[outcast623]

Could it be copper grease? If not I really don't think a little surface rust will hurt anything, but I would see if you could get a replacement first.

[greene]

It's rust for sure. I sent KAC a message so hopefully they get back to me.

[DaBears_85]

I imagine it would be difficult, but is it possible to get a picture of it?

[greene]

I took some, but you can barely see the corrosion.

[DaBears_85]

I took some, but you can barely see the corrosion.

That's what I figured. Can you tell if there's any pitting or anything, or is it just surface rust?

[greene]

I shined a light in it to try to take a better pic and it looks a lot worse than I thought. I can't really tell if there is any pitting.

[DaBears_85]

Hmm, well that certainly is interesting. I wouldn't worry about it too much though. Based on my own personal experiences and those that I've read from others on this site, KAC should get it sorted out for you.

[greene]

I'm sure they will get it sorted out. Like I said it most likely won't have any ill affect, I just want to be certain.