I was bored and was interested in how we could make heavier pellets with out making them extremely long or actually "bullets" or slugs.... so I found this list of metal densities. Who wants some Platinum pellets!!!!
Osmium - 22.61 g/cm³
Iridium - 22.65 g/cm³
Platinum - 21.45 g/cm³
Gold - 19.3 g/cm³
Tungsten - 19.25 g/cm³
Lead - 11.34 g/cm³
Mercury - 13.534 g/cm³
Silver - 10.49 g/cm³
Osmium - 22.61 g/cm³
Iridium - 22.65 g/cm³
Platinum - 21.45 g/cm³
Gold - 19.3 g/cm³
Tungsten - 19.25 g/cm³
Lead - 11.34 g/cm³
Mercury - 13.534 g/cm³
Silver - 10.49 g/cm³