Gun Wont Reload Can I have Help?

-- Script Made By johndeer2233 For A Application To Make A Game
local plr = game.Players.LocalPlayer
local Gun = script.Parent
local Ammo = 5
local AmmoGui = plr.PlayerGui:WaitForChild("Ammo")
local AmmoL = AmmoGui:WaitForChild("AmmoL")
local mouse = plr:GetMouse()
local function shoot()
            -- Creating The Bullet
                local bullet = Instance.new("Part",game.workspace)
                    bullet.Shape = "Ball"
                    bullet.Size = Vector3.new(2,2,2)
                    bullet.TopSurface = "Smooth"
                    bullet.BottomSurface = "Smooth"
                    bullet.BrickColor = BrickColor.new("Really Black")
                    bullet.CanCollide = false
                    bullet.Anchored = false
                    --CFrame Stuff
                    bullet.CFrame = Gun.Handle.CFrame 
                    bullet.CFrame = CFrame.new(bullet.Position,mouse.Hit.p)
                    --body velocity 
                    local v = Instance.new("BodyVelocity",bullet)
                    v.velocity = bullet.CFrame.lookVector * 90
                    v.MaxForce = Vector3.new(math.huge,math.huge,math.huge)
                    game.Debris:AddItem(bullet, 5)
                -- Making Sure you lose 1 Ammo everytime you shoot.
                Ammo = Ammo - 1
end
local function reload()
    repeat 
        wait(1)
        Ammo = Ammo + 1
    until Ammo == 5
end
script.Parent.Equipped:connect(function()
    AmmoGui.Enabled = true
    AmmoL.Text = "Ammo: "..Ammo
    wait(1)
    AmmoL.Visible = true
end)
script.Parent.Unequipped:connect(function()
    AmmoGui.Enabled = false
    AmmoL.Visible = false
end)
script.Parent.Activated:connect(function()
        if Ammo > 0 then
            shoot()
    end
end)

while wait() do
        AmmoL.Text = "Ammo: "..Ammo
end
while wait() do
if Ammo == 0 then
    reload()
    end
end

No error in output my gun won't reload. Help?