If you hunt deer with a shotgun and want to avoid using lead, here's a solution: Hevi-Shot Deer ammo. This 12 gauge example is a 2-3/4" shell loaded with a 1-1/4" Ounce Sabot Slug which it launches at 1500 fps. It's good for deer or other medium game.
5 Rounds per box. To buy a full case, order 20 boxes.
Ammo price is per box.