I know I am way late to the party, but I noticed that weapon sway while prone is just too much. I don't ever remember having that much movement in real life during military training even without a bipod. Trying to nail a target a 800+ meters, while doable just seems like it takes much more work than it should with the sniper rifle in game currently.
Hopefully it gets toned down to a more realistic level soon, not a game breaker just something that has bothered me since Operation Flashpoint but ignored it due to me still being able to complete missions or scenarios.