An Oct 2005 publication in the peer-reviewed journal 'Oxford Academic' concludes that "exposure to soluble silver compounds may produce other toxic effects, including liver and kidney damage, irritation of the eyes, skin, respiratory, and intestinal tract, and changes in blood cells."
The director of the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), Steve Dettelbach, could not define an "assault weapon" during a budget request hearing.