If you have ever been at a gun range and saw oodles of range brass just laying on the ground and your entrepreneurial spirit told you that all of this loose brass has to be worth something, you are absolutely right.
303 Factory, Reloaded or Surplus Ammunition?
Reloading Supplies « Daily Bulletin
Gun Control Legislation That Passed and Failed Over the Last 20 Years
Bullet Control - Center for American Progress
5.56 vs 9mm: A Complete Breakdown – Silencer Central
Future War Stories: FWS Armory: Caseless Ammunition
Hunting/Varminting « Daily Bulletin
Rock Island Auction Company Auction Catalog - Premiere Firearms Auction - Day 3 Online Auctions
Should I sell or keep the brass from my bullet casings? - Quora