.22 cal Hades - Perfect Mushroom to .59"

They should expand well in sand as it is a very hard medium. One would not think that until they remember the military uses "sand bags" to build fortifications. Even so they do seem to expand well. The price isn't so high that one could not afford to shoot them every day on the bench. People are reporting reasonably good accuracy with them as well. Might be worth a try.