'Red dot' sights and accuracy....

[frederf 0]

Not all the guns are zerod the same in the game. In the game, weapon zeros are typically zeroed at 300m for iron sights and 100m for aimpoints. To be definitive would being incorrect.

[GenghisKhan 10]

http://en.wikipedia.org/wiki/File:M855_drop_during_25-meter_zeroing_trajectory_M16A2_M4.jpg

Aim higher.