Received a brand spanking new upper today (AAC 9in w/URX 300 BLK). I always field strip and inspect. Never seen this before, but the roll pin in the bolt head is not seated correctly and is sticking out (easily feel it with my finger. Ever seen that before?
Note: While I have a roll pin punch and could probably do it myself, to be on the safe side since it's brand new I called AAC who are sending me RMA info. I am hoping I can just return bolt. Not complaining, these things happen but it's a first for me.
I now some AAC people frequent M4C and was hoping you'd chime in. Pics (can't get my damn iPhone to focus well) are attached but it's pretty obvious. Thanks!!
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