Re: Garand Smith Dallas Area
Yes, you will have to reset the elevation knob after you get your correct sight setting.
Before you do anything, drop your rear sight down to the bottom, counting the 'clicks' to get there. Do this at the range so that you can return it to and test the settings again.
To set the hash marks, loosen the left screw and adjust the knob. If it moves when you loosen the screw, you know what it takes to get it back where you want it.
Loosen the screw on the right side of the sight set, the windage knob. There is a spring and small detent under that screw. You tighten it just enough to allow adjustment and no more.