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- #21
As ^^^^ I agree. But, this thing fired when I first put it together. Then the adjustable gas block and now this? Man, I did something really bad in a past life!While unfortunate, it does at least rule out any issues with the trigger or bolt carrier group! That is good!
You are on the right track regarding the next step; there must be something wrong in the upper. As someone else mentioned previously, it could be excessive head-spacing in the chamber of your barrel, causing the rounds to seat too deep when in battery. Definitely check your barrel to ensure it is seated all the way!