The gun is a Charles Daily 16" Carbine, less then 3000 rnds, semi BCG, H buffer.
What we have done so far. cleaned barrel and chamber, swapped in my LMT auto BCG. still happens.
Swapped out the buffer with a Carbine buffer, still happens.
The brass isnt even hitting the deflector, but it is hitting on the back of the ejection port.
There is no sign of gas leaking around the FSB.
Anybody have any suggestions on what else I could try.




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