There is a visual bug related to weapon camos casing them to not show on players, except ones equipped on your self.

Screenshot of one of my characters showing a working camo b1cced86-15bd-4e94-9b12-1e7d54bc7ef4-image.png

Screenshot from an alliance member with a bugged camo on my character 0345e247-425d-4357-9b4a-d0b973626439-image.png

Right now the only quick fix is to cycle weapons to get the camos to re-sync for other players, but the bug triggers again every time you change areas.