The First Person Player Camera stops following the gun while manning the M2 turret of the Armored Humvee when the gun is facing the front of the vehicle.

Replication Steps:

1. Spawn Armored Humvee with M2 Turret

2. Man the weapon

3. Rotate the turret

Result: The First Person Camera stops tracking at the front of the vehicle, then starts tracking again once it hits a certain point.