I knocked out a Nitesiter dot that I had in my WE M&Pc twice now. I feel your pain.
I was going to try this...
https://www.glonation.com/glow-in-th...low-paint.html, the yellow looks like it would work well in daylight and darkness. But for a $6 USD bottle they wanted $25 USD shipping, hommie don't play with those charges no sir bob.