“I have used these receivers extensively. My customers are very happy with them. The upper to lower tensioning screw helps to make it feet like the rifle is one piece not two.
The mag release is metal not plastic. There is engraving on both sides. The integral trigger guard is very nice and accommodating. The finish is very smooth not coarse like some other lowers. We have never had a fitment issue.
We use AoA when the manufacturer is out of stock. These guys are NOT making alot on these lowers.”