Could a bent dust cover induce failure to feed and cause the bolt to stay locked?
I have an AMD 65 that won't pick up a round without cajoling it out of the magazine with the bolt, once loaded it fires, but doesn't extract/eject the spent round.
Hand cycling has the same issues, but with easier extraction/ejection.
If I remove the top cover it hand cycles as normal.
I replaced the top cover with a cheap tapco one and it cycles normally.
I haven't had an opportunity to get to the range since.
Anyone have a similiar experience?
Thanks, Inimicalone.

Pic of the cover?   When you hand cycle the bolt, do you feel resistance / rubbing?