Night sights or just the white dots?
When the dots are aligned, where is the top of the front sight in relation to the top of the rear sight?
A lot of people don't like the white dots and will paint over their rear sight dots.
Some people don't even like the glowing rear dots on a rear night sight. They are happy with only a front night sight.
You may have some options.
If the tops of the front/rear sights aren't aligned when the dots are aligned try a few groups while trying to use top of the sight alignment vs. dot alignment and see if the groups move up on the target. If so you could try painting over the rear white dots and making front/rear top of the sight alignment easier, more natural.
Good luck with it.