if you know what to do with this you should use this
........................................................................



/*---------------------------------------------------------
SecondaryAttack
---------------------------------------------------------*/
function SWEP:SecondaryAttack()

if(ScopeLevel == 0) then

if(SERVER) then
self.Owner:SetFOV( 45, 0 )
end

ScopeLevel = 1

else if(ScopeLevel == 1) then

if(SERVER) then
self.Owner:SetFOV( 25, 0 )
end

ScopeLevel = 2

else

if(SERVER) then
self.Owner:SetFOV( 0, 0 )
end

ScopeLevel = 0

end
end

end

function SWEP:Holster()
self.Owner:SetFOV( 0, 0 )
ScopeLevel = 0

return true
end