The Windage knob is now placed onto the tang of the Elevation Knob and then inserted through the right side of the Receiver in just the same fashion as the Elevation Knob was earlier. Screw the Windage Knob on firmly in a clockwise direction.

When the Windage Knob is seated against the Receiver, tighten the screw on the top of the Knob using my combination tool. Frequently check the movement of the knobs so as to make sure that you do not over tighten this screw.

When the knobs move with a reasonable amount of force and the Rear Sight Aperture can not be pushed down easily with my thumb consider the job done and the Rear Sight Assembly complete.