Bought one last year it did have the full auto bolt carrier group from factory in it bought from Atlantic also. i cleaned the bore and greesed the hell out of the bolt carrier and rails runs fine .But always cock and let bolt slam shut .I also am using hk mags from the start.
Just what was he protecting if he at all was at all you dont need a ar to put out a fire or provide first aid. And if he was protecting a building or cars I would have stood my post sure the hell would not be walking around looking for trouble or a fight.