Jeez y'all type a lot.
Uzi doesn't need a buff, it's super cheap (250?)
M4 doesn't need a buff, it's good for its price.
Bar doesn't need a nerf, it took me a long time to get. And 8 damage at perfect is less than m4s 9 damage, but the bar is 5x as expensive.
Shotguns aren't that hard to dodge, just keep your distance.
Sorry, but basically, I disagree with everything you said.