Whenever you hold down fire on the Eruptor, for the people who use the Eruptor at least, you'll see that the follow-up shots after the bolt racking is misaligned, with projectiles flying to the right/up-right-ish of the crosshair. This should hopefully fix it.
Not my mod, reposted from somewhere I've forgotten the source of.
Not my mod, reposted from somewhere I've forgotten the source of.