Aero. I've handled products from all and have ordered quite a bit from Palmetto State. Its the 4150 steel barrel and the 8620 bolt carrier with a 158 bolt for $650 that ultimately makes this decision for me. While PSA has similar specs I don't think they have the quality controls Aero does.
Dr. Carter G. Woodson, “History shows that it does not matter who is in power or what revolutionary forces take over the government, those who have not learned to do for themselves and have to depend solely on others never obtain any more rights or privileges in the end than they had in the beginning.”
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