It sounds like your just trolling/complaining
Uh, from your own list idiot: •Decreased the range of Bolt Action Sniper and Pump Shotgun Slug rounds when using Magnum Ammo for better Kit Balance, especially in Hardcore.
That's the change the guy who does the weapon charts was referring to when he said that all bolt actions do 50 damage past 40 yards now. I was just quoting him and the behavior in-game seems consistent with his statement.
I'm not saying it's the end of the world or trolling, you're the one threatening to quit the game over it. It doesn't affect people who use 12x scopes and shoot for the head anyways. It is kind of shitty that it kills weapon differentiation though which was my original point.