Most hunters can't shoot that small of a group with a rifle at 50 yards or a slug gun. Even more so archery equipment. A bottle cap? I would challenge guys to do this at 15 yards with a handgun and 99.9% would fail. I mean I like where your head is at but it is like asking guys with hunting rifles they have to shoot 1moa or nothing @ 100yds to hunt deer at 100yds or less. Again 90+% of the general hunting population does not shoot moa groups.Nope, all you're going to do is wound a deer. Best check your states regs. on handguns acceptable for deer hunting also. But if your dead set on this, think can you consistently put 5 rounds in a target at 50 yards grouping where a bottle cap can cover them.