https://autohotkey.com/download/
-> click the big blue download sign and run it.
-> run it
-> go to your desktop and right click : new > AutoHotKeyScript
	-> name it whatever you want
	-> then right click and click edit script
	-> delete everything in the text file and replace it with:

#NoEnv
SendMode Input

~F6::Suspend

~End::ExitApp

LCtrl & ~LButton::
Loop
    If GetKeyState("LButton") {
        Sleep,6
        moveAmount := (moveAmount = 2) ?6 : 0
        mouseXY(moveAmount,4.4)

    }
    else
    break

Return



mouseXY(x,y)
{
DllCall("mouse_event",int,2,int,x,int,y,uint,0,uint,0)
}



-> then close and then double click on filemlike youre running it. it should have a small green H icon on
your task bar. that means it is running.

-> F6 is to toggle off and on.

-> it works with AK/M249 and is based off your sensitivity so you MIGHT need to lower the sense.
i havent had practice with it but my experience is that i dont really need to move my mouse too much.
just barely.