Antialiasing issue

Hi currently i am having some problem with detail in my final export.
Even though anti aliasing set to 16x result is edges with zigzag. Check out the attached image, and if some one can provide some help it will be great, otherwise i am totaly:face_with_spiral_eyes:

what is the platform?
are the quality levels setup right?
did you ensure to be in forward rendering (in deferred AA will not work)