If you are handy, lightly polish the chamber.
I used a dowel rod in a drill. I used masking tape and tightly wrapped the end to closely match the chamber size (use a bullet as a model)
I then used a car polish on the tape and used the drill for 30 seconds to polish
it cleaned the same issue up on both my and my friends new AR
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An imperfect servant of my Lord and Saviour, Jesus
Buying American made, wherever I still can
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