This was essentially already posted but anyways...
Damage decreases that significantly... With a sniper... On the other graph i had assumed it was x10, and to save space because... Yeah, snipers are supposed to be long range, not 100m effective range. Hell, I consider anything within 150m to be close range. This does not bode well for those who like long range kills...
Oh and you didnt need to add the attachment. This image can be downloaded by simply right clicking.