Arbiter 2 bug

[Incredible Gary]

I don't know which modification caused it or if it was the combination, but I modded my Arbiter 2 with barrel extension 2 and multi chamber oil at the same time and now it just deletes the ammo when I fire it.

Whenever I fire it it empties the mag with no projectiles or damage and I lose the 3 shells. I don't know if the issue is with the gun or the oil/mod or the combination, but it renders the gun useless.

Anyone have any other problems with modifications?

[Yujin]

Already a known issue with single-shot guns and extra ammo consumption mods.
Has been reported in the Sulfur discord, although if it works as designed or is a bug has not been disclosed.
Same issue happens with the Knop.