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Old May 23, 2022, 04:52 AM   #12
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Join Date: March 2, 2014
Posts: 10,117
Between Aero and PSA--the Aero is going to be higher quality. I've found that Aero receivers often do not align well with PSAs' and versa vicey. Mil-spec these days means nothing unless it's delivered to the military IMO. Once that CH is bent, all bets are off on it working in your firearm.

What I have seen happen on occasion is that every so slight alignment issues between the upper and lower can result in the CH being pitched as it rides back over the lower's tube collar. You should see pronounced tracks worn by the CH if that is the case.

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I am NOT an expert--I do not have any formal experience or certification in firearms use or testing; use any information I post at your own risk!
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