Make a tools spawn a Model Oritented to the mouse ?

i mean i need to make this part look to the position on the mouse,

i got this script

active = 1
reload = 3
script.Parent.Activated:Connect(function()
    if active == 1 then
        active = 0
        g = game.ReplicatedStorage.gosterblaster:Clone()
        g.Parent = game.Workspace
        g.PrimaryPart = g.Head
        g:SetPrimaryPartCFrame(script.Parent.Parent["Torso"].CFrame * CFrame.new(7,2,2) * CFrame.Angles(0.29,math.rad(180),0))
        wait(reload)
        active = 1
    end
end)

but i want this is rotate on my mouse

here a gif :

https://giphy.com/gifs/L2llMLfw0yMid0OYpb

so if anyone can help me thanks to him.