There are a ton of other variables which impact group size aside from the weapon. Looking back at some of the test targets shown in the past, sequential production rifles, shooting sequential production ammo, by the same shooter in the same conditions show some amount of difference.
Both are sub-MOA at 100yds. The real question is how sub-MOA do you need?
The PredatAR line was created to provide a hunting/competition platform. I use mine in competition and wouldn't hesitate to take it hunting. Part of the design incorporates significant weight reduction which benefits most non-blind style hunting. Another thing to consider is how much AR jewellery you intend to hand on it. Although you can get rails for the PredatAR series, it is far easier to dress up a stealth.