gun laws
banning AR-15
“Guns / Firearm-related deaths”. NSC.org copy of U.S. Government (CDC) data. Centers for Disease Control and Prevention. December 2017. Archived from the original on August 29, 2018. Retrieved August 29, 2018. (archive of actual data).

2nd amendment
FBI
riffle vs handgun
AR-15 vs Assault riffle