Anyone have any experience with either of these uppers?
http://palmettostatearmory.com/psa-...1-7-upper-with-bcg-and-charging-handle-1.html
https://www.midsouthshooterssupply....-a2-with-carry-handle-complete-upper-assembly
http://palmettostatearmory.com/psa-...1-7-upper-with-bcg-and-charging-handle-1.html
https://www.midsouthshooterssupply....-a2-with-carry-handle-complete-upper-assembly