1) Why not spent uranium? It's basically lead and is less radioactive than natural uranium. It also has several civilian uses: Depleted uranium - WikipediaYes hunters need their armor piercing ammo for those really tough does. Why not spent uranium? You never know when you'll come across some buck who just had his body clad in titanium plates. And everyone knows it's every American's god given right to cut a buck in half with one shot.
Gun lickers have just lost their shit.
2) Ammo piercing ammo isn't a very good hunting ammunition precisely because it doesn't expand much less "cut a buck in half with one shot". Only a fucking idiot who knows nothing about firearms and ammunition would think it does.