I have a Aero 300 black out and I love it.
It has run flawlessly and is accurate. I am so impressed with Aero Precision I purchased there AR10 upper,lower and handguard for a 6.5 Creedmoorbuild. Also purchased a ar15 upper,hand guard and put together a 9mm top end. The coolest thing is there enhanced uppers are so easy to build.