Sorry for not seeing this earlier
It is hard to tell for sure what you are talking about without a picture of your bolt head
The shiny pin you talk about is the ejector and is normal to be shiny
It sounds like the extractor is either worn or out of place or maybe needs removed and cleaned or replaced
Make sure that it is in the correct position by trying to move it back and forth in the slot
I would disassemble the extractor and clean before I done anything else
under the extractor is a small steel ball that is spring loaded
The extractor has a detent on the back side of it for the ball to fit in
Be careful not to lose the ball and spring which can happen when you remove the extractor
doing this inside of a plastic bag will keep flying parts from disappearing
I hope this helps
Jack
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