Check your trigger pins. I had a similar problem recently when the trigger pin partially walked out of the left side of the lower. Trigger reset got flaky and sometimes it would, other times it wouldn’t. Then the pin came out on the left side and the trigger would not reset at all. Reseating everything was only a temporary fix. At that point as little as 10-15 rounds would cause the problems to start again. Permanent fix was a set of KNS Anti-Walk/Anti-Rotate pins. Works perfectly now.



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