No Recoil AHK Script

If someone have a updated AHK no recoil macro,help me and post that below,cya.

Sick ahk script woooo

#NoEnv
SendMode Input
SetWorkingDir %A_ScriptDir%

; iloveesl
NRA := 1

; SS
^!p::Suspend

; NR
~LButton::
while GetKeyState("LButton") & NRA
{
DllCall("mouse_event", uint, 1, int, 0, int, 2, uint, 0, int, 0)
Sleep, 15
DllCall("mouse_event", uint, 1, int, 0, int, 2, uint, 0, int, 0)
Sleep, 5
}
return

; Nades
~MButton::
if GetKeyState("LButton")
{
NRA := 0
Sleep, 3000
MouseClick, Left,,,,, U
NRA := 1
}
return

Insert::ExitApp

with this code, the mouse cursor goes down non-stop. How do I make an insert to stop after 1 second?