EDIT THIS ACCORDING TO YOUR GUN NEEDS !!!!!

local plr = game.Players.LocalPlayer
_G.ammo = true
while _G.ammo == true do
spawn(function()
game:GetService("Players")[plr.Name].Status.Weapons.UP9.AmmoLoaded.Value = 10000
end)

spawn(function()
game:GetService("Players")[plr.Name].Status.Weapons.UP9.ClipMax.Value = 10000
end)

spawn(function()
game:GetService("Players")[plr.Name].Status.Ammo["9mm"].Value = 100000
end)
wait()
end

spawn(function()
if _G.ammo == false then
spawn(function()
game:GetService("Players")[plr.Name].Status.Weapons.UP9.ClipMax.Value = 12
end)

spawn(function()
game:GetService("Players")[plr.Name].Status.Weapons.UP9.AmmoLoaded.Value = 12
end)
end
end)