I cannot see why someone could vote this for a 5 I cannot agree with that. So it's a 6 or a 7 for me...
Highlights and shadows are nicely placed, the paint job is smooth and precise, and with a good final result. Weakest point is the hair (could need a bit more work) and the metals could look even better with a little bit of rust/blood here and there imo. You can even try to draw a white hand on the shield on your next try (I think you'll need a bit of variation amongst the regiment or unit of these uruks ;) )
Have fun and keep painting you are doing it pretty good!!