The play doesn't matter.
I should probably add that I'm a machinist by trade and I find the machining on this gun to be perfectly acceptable. My only concern is the fact there is a bit of play between the upper and lower, but being this is my first AR, I dont know how much play is "normal"
check out the youtube posting by Civil Advantage on Norc CQ-a. Then decision is your to buy Norc or the expensive brands
https://www.youtube.com/watch?v=29Enj204ZM0



























