End of an era: Last U.S. lead smelter to close in December
domestic manufacture of conventional ammunition, from raw ore to finished cartridge, will be impossible
http://dailycaller.com/2013/10/28/end-of-an-era-last-u-s-lead-smelter-to-close-in-december/
Increasingly restrictive regulation of lead is likely to affect the production and cost of traditional ammunition