The sight is attached to the upper part of the riser as follows:
First, fix the mounting block to the riser to install the sight.
Then, connect the carbon extension to the mounting block.
Align the small groove on the carbon extension with the center hole of the mounting block and tighten the bolt to secure it.
Finally, connect the side pin to the head attached to the vertical sight bar, which moves up and down. Once secured, the sight installation is complete.