Lead ammunition to be banned for hunting and shooting in England, Scotland and Wales
Lead ammunition to be banned for hunting and shooting in England, Scotland and Wales

www.theguardian.com
Lead ammunition to be banned for hunting and shooting in England, Scotland and Wales

wp:Density#Various materials
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The obvious answer is to use silver. It'll work on both ducks and werewolves.
Anyway, you forgot tungsten (19.3g/cm3, even geater than gold). Alloyed with steel as it usually is in shotgun shells it's like 14.9g/cm3, denser than lead and cheaper than using it pure.
Tungsten, for when the deer start wearing Kevlar.
Isn't tungsten harder to refine?
IIUC, silver cost less than $1 a gram—the rich can afford it—and I suppose it could be recycled.
Oh cool, now do lost IQ points in children per gram
Eagerly awaiting the results for uranium.
To be fair, if your aims good enough you can remove all their IQ points with just a few grams of lead
You can do it.
Bismuth is also a popular substitute.