Thet are forged receivers, I have 2 and they shoot very well. Great basis for a high $$ build in my opinion. Some issues with rear sights and some had soft bolts, check the headspace regularly. I will buy if you don't:)
I have a Predator Pursuit Upper and it is very accurate with the right ammo. Will do less than one inch at 100 meters with the right ammo and me doing my part.