How to color bullet tips to distinguish POI target holes by test powder load and seating depth

[Lone Hunter]

Here’s a thread from 2013 that discusses this. Interesting info in the thread too...

Identifying which bullet hole on the target was made by which round

I read somewhere where someone color codes their bullets (with different colored felt tip pens, single and multicolors on the bullets) so once shot, they leave a color residue on the edge of the bullet hole on the target paper so the shooter can later identify which of the bullet holes was made...

forum.accurateshooter.com