Binding in Manual Steering Box?

I Just got a manual steering box for my Duster. There doesn't seem to be any slop, but as I turn it stop to stop, it seems to have some binding or stiffness in the middle of the turning range. Since this would be about where it would be with the wheels pointing straight. I'm not sure if it's supposed to be tight in that range or not. I have no experience with manual steering. Is it normal or anything to be concerned about?