Sig Romeo 5
Shake awake. holds zero. comes with high and low mounts.
The only reasons to get something better and spend more is because you want an Aimpoint for a serious use gun and you don't trust China made. So you can spend 7X more for essentially the same thing made in Europe.
You can spend less (maybe enough money to buy a pizza) and you will probably get less. The only other thing I would even consider is Primary arms.