I was bored and playing on Arica Harbor earlier so I decided to be a nub and snipe while attacking. I set up right on a rock next to spawn as the game started and set my scope towards the first defending base. At the very back is this tall watch tower and I watched it as a sniper climbed up the ladder to get in position.
I had to aim about three or four inches above him and could barely see him but after a few shots I landed the headshot for a 435 point marksman headshot.
It's possible to get way higher if you get lucky and pick up a few plus points like savior kill or avenger kill. I've even heard of some people breaking into the 700+ zone.
"An Austin, Texas, resident with an apparent grudge against the Internal Revenue Service set his house on fire Thursday and then crashed a small plane into a building housing an IRS office with nearly 200 employees, officials said."
No one was killed except for the angered pilot. The pilot has his own website but it appears to have been taken down after what happened today: