Two front sights I can see pretty well primarily because of the orange color. On the right, a layer of florescent orange nail polish over a layer of white. On the left, one I did with files back in the early 1980's using a liquid sight insert kit from Brownells. The sight was originally a plain black serrated ramp. I filed the notch with a triangle file, scratched in the grooves with a thread gauge matching the spacing of the little grooves, then cut the grooves first with a knife-edge needle file and then finished them with a triangle needle file. I see in this pic, they've taken a little beating since then. Held up well though over the years.
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In terms of my eyes, I remember doing that insert with simply the issued eyeballs, no magnification. There is no way I could do that today. In my early 20's I tried scoping a revolver but found I could not shoot it any better than I could the iron sights. Might be time to revisit that. Today, I can sure shoot a red dot sighted 22 pistol way better than I can the same open sighted pistol.
