Thanks, yes I thought about it but did not include in the design for 2 reasons:(In no particular order) To add the screws I would have had to make the sight bracket longer to accommodate them. This is because the interior of the bracket is largely hollowed out to allow the cock piece clearance from the bracket.
And since this sight is meant as a hunting sight and once windage is achieved at sight in off the bench, it is unlikely the sight would need to be moved. To adjust it at sight-in, the sight trunnion, it is easy to loosen the lock screw and tap it over. There are hash marks on the top right side to show where you were and how far you have moved.