Assault weapons legislation in the United States

Assault weapons legislation in the United States refers to bills and laws (active, theoretical, expired, proposed, or failed) that define and restrict or make illegal the manufacture, transfer, and possession of assault weapons. How these firearms are defined and regulated varies from jurisdiction to jurisdiction; generally, this constitutes a list of specific firearms and combinations of features on semiautomatic firearms.

Source: Wikipedia — Assault weapons legislation in the United States (CC BY-SA 4.0)