AO makes good quality mil-spec upper receivers. They are a contractor to the military. I have a couple and the rifles they're built on are accurate and dependable. Many thousands of rounds out of each, no problems.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Aur0ra145</div><div class="ubbcode-body">Ordered one on Monday, received it Wensday; great looking upper. </div></div>
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Jig Stick</div><div class="ubbcode-body">Id buy one, if I could find a fucking barrel for it </div></div>
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Shooter McGavin</div><div class="ubbcode-body">Well I went and got one. Just couldn't wait to have them all bought up. </div></div>