Disabling mouse 2 (right click)

[Carnifex]

Haha, both Mr.Floppy's and Jamz's work fine.
But, how do I change the sensitivity?
My sniper scope sensitivity is 3.45
If I use smg and hold down right click, it goes to sensitivity 3.45, and when I let go, back to normal.
I want the sensivity to be 6.9

/I'm not a scripter.