Can anyone help me with my RPG-7, I need the missile to point where the mouse Is (?)

As the title says, I am trying to make the RPG-7 missile to follow where the mouse Is, the problem Is that the missile always goes down

Script:

local tool = script.Parent

tool.Fire.OnServerEvent:Connect(function(player,mousePos)
	local raycastParams = RaycastParams:new()
	raycastParams.FilterDescendantsInstances = {player.Character}
	raycastParams.FilterType = Enum.RaycastFilterType.Blacklist
	
	local raycastResault = workspace:Raycast(tool.Handle.Position,(mousePos - tool.Handle.Position)*1000,raycastParams)
	if raycastResault then
		local Position = tool.Position:Clone()
		game:GetService("Debris"):AddItem(Position,5)
		Position.Parent = game.Workspace
		Position.Orientation = mousePos
		Position.Handle:Destroy()
		Position.Anchored = true
		----
		local HEAT = tool.HEAT:Clone()
		game:GetService("Debris"):AddItem(HEAT,5)
		HEAT.Parent = game.Workspace
		HEAT.Orientation = Position.Position
		HEAT.Handle:Destroy()
		HEAT.Anchored = true
		HEAT.Shoot.Enabled = true
		tool.HEAT.Transparency = 1
		wait(0.1)
		tool.HEAT.Transparency = 0
	end
end)