There are weapons out there with very different colors. Remember the green Zombie colored weapons? If you look on gun forums sometimes you see them for sale - all colors or ‘alien’ looking stuff.
I vaguely remember that.
I also remember when Hornady tried making “zombie” ammunition.
I thought it was silly, but whatever works I guess.
XD XD
I just googled it. For .22 LR:
“Just in Case… Get Loaded with Z-MAX™ Bullets and PREPARE to `Mist`ify Zombie Varmints!”