When I built my horn cabinets I used playground sand from Home Depot because it is a lot cheaper and readily available. 250 lbs in each cabinet. Figure up what that would cost using lead.
I would suspect the more logical and less emotional reason AA stopped carrying lead shot is because the shipping, especially just a few months ago, was outrageous. I doubt they sold enough to justify keeping the inventory. Personally, I'd be more worried about those mercury vapor light bulbs folks are putting in their homes. Breaking one of those creates a toxic hazard cleanup. You can't even through them away, well not legally anyway.
I would suspect the more logical and less emotional reason AA stopped carrying lead shot is because the shipping, especially just a few months ago, was outrageous. I doubt they sold enough to justify keeping the inventory. Personally, I'd be more worried about those mercury vapor light bulbs folks are putting in their homes. Breaking one of those creates a toxic hazard cleanup. You can't even through them away, well not legally anyway.