Today i want to teach you to be better in sniping.You have to :

Use >

mouse senvity : within 168 to 190 ( depends on some people like me use 177 )

Zoom sensivity : 190 to 224 ( with this zoom you can defenitely snipe your enemy focusly and your stable it
                          easily.

Last,try to play and think to take down your enemy easily.It is not hard as you think.Just believe it.