The only place you will see screws on an AR is for rail pieces on obsolete hand guards, rings, and mounts. Rings and mounts come with the fasteners, but they are almost always Allens or torques, so I'm not too sure what screws you're talking about.
You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.
You cannot over estimate the unimportance of nearly everything. John Maxwell
