That's good prof, of course it's simple, when you have no substance. I gladly use nontox shot for waterfowl, but that's not good enough for you, is it. When my grandkids visit, they shoot thousands of rounds of whatever they feel like, and bismuth aint gonna cut it. They know papa isn't a hypocrit like prof shooting subsonic lead out of his ban free .22s, or feeding earthworms lead, five hundred and fifty grains at a time. Do as I say, not as I do huh prof.