Lehigh Defense Controlled Chaos Ammunition features the proven Controlled Chaos bullets. This high quality ammunition is perfect for hunting or pest control. The lead free projectiles are safe to use in any environment with no risk of lead contamination. This ammunition is new production, non-corrosive, in boxer-primed, reloadable brass cases. The development of the Controlled Chaos technology was the result of an animal control agency's request for a no lead .243 bullet that would provide extensive wound trauma with little minimal pass through energy. Basically the idea was to burst the bullet into numerous particles at a predetermined depth creating many wounds and a large temporary cavity with shot placement at or near the central nervous system. The agency had tried copper matrix frangible rounds and found the penetration depth and particle size were less than what was require for proper terminal performance.