[ArcticViper]

Don't think for a second that the rounds wiggle across the sky, a bullet flies relatively straight and true. This is because the bullet is made to rotate around it's own axis by the rifling of the barrel.
It doesn't wiggle across the sky, but rotate around it's own core so to speak.

research rifling and you'll probably understand... Just because it looks good on videos doesn't mean that's how it looks/behaves in real life...