Barrel (top) to receiver (top) 12 o-clock index reference

I never had a barrel off a receiver and wanted to know if the threads on the barrel are "right hand" ?

Here is the situation, I bring the rifle to my shoulder and attempt to use the factory sights. I can "see" that the "top" of the barrel is not at 12 o-clock. If I imagine that I am shooting a clock face the front blade and rear sight are near 1 o-clock.

So now another question... is the barrel (over tightened) or (under tightened) ?

Thanks