Quote Originally Posted by mestes View Post
Ya talked to new frontier and they say its cause huldra and adams arms don't us a mill spec bolt. They are mailing me a blow back hammer to replace it that is narrower and should not have this problem. They have a video on youtube where they fire off 75k rounds really fast with no problems. I will look for the video. But sounds it was from the none mill spec bolt.
Why couldn't you just replace the whole fire control system? I swapped out all the plastic interiors and kept the 5.45x39 spring from the upper set I purchased and it works just fine on my LW15 lower.