LMT tube was installed, problem solved. Went to test the Griffon BCG out now that I had a TDP in spec tube, and I did not notice a major change but it was slightly less eye watering. I have tried a Forward Controls Design ACH, a Geissele Airborone CH, and a Daniel Defense Grip n Rip CH, and there's no difference in the amounts of gas to the face levels. Is there a superior gas busting ambidextrous CH to rule them all here or is this a lefty thing where I am overlooking the fact that the gas leaks are coming from somewhere else like the ejection port or the forward assist?I know that Geissele barrels are notorious gassy for silencer users but this one is really, really accurate which is why I am not keen on trying another barrel. Think a flow through silencer would be a better option which would solve my gas to the face issue with it?