Those style dot sights are notorious for not staying where you want them. The only suggestion would be try Vibra-Tite on the adjustment screws, this will allow future adjustments and prevent adjustment creep.https://www.walmart.com/ip/Vibra-TITE-213-VC-3-Threadmate-Threadlocker-65-to-165-Degree-F-5mL-Tube-Red/396624718