
Originally Posted by
Failure2Stop
Weak ejection/spin-back due to increased bolt carrier velocity due to increased back-pressure from suppressor.
Recommend replacing buffer with H2 or H3, and a new action spring, which will slow down bolt carrier speed.
Replace ejector spring with new, ensure that the ejector is free of any burrs, clean and lubricate ejector hole (hehe).
Might want to step back from LC XM193, lotsa known issues with that ammo. If you really want to stay with the type, American Eagle 55gr has shown to be more consistent and cause fewer "issues".
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