Hitmarkers: yes. Damage: no. Anybody else get “group enemy” ghost bullets?

Gauntlet clip, DRS. Guy was under ~20m and standing right next to his teammate. I basically dumped an extended mag into him with nonstop hitmarkers, and he still took forever to die. I know Gauntlet has armor and I know hit reg/ghost bullets are a thing, but this happens to me way more when enemies are stacked close together.

Anybody else notice hit registration getting worse specifically when two enemies are in the same spot? Not the aim assist slowdown issue, I already turned that down. Any fix, setting, or known bug info?