I'm not that familiar with weapons that fire underwater, but I am aware that normal projectiles will not travel through water. Tried and tested, also proven in mythbusters. Might just be a realism thing. I suppose it would be easier for the player to see the round, but not very realistic.

As can I.

I had the same issue, turned out to be the mouse was forcing it to the right. I would normally remove the mouse left and right steering from the controls layout but it always defaults back.

I'm not that familiar with weapons that fire underwater, but I am aware that normal projectiles will not travel through water. Tried and tested, also proven in mythbusters. Might just be a realism thing. I suppose it would be easier for the player to see the round, but not very realistic.