1. Short title This Act may be cited as the Assault Weapons Ban and Regulatory Reform Act of 2018 . 2. Definitions (a) In general Section 921(a) of title 18, United States Code, is amended— (1) by inserting after paragraph (29) the following: (30) The term semiautomatic pistol means any repeating pistol that— (A) utilizes a portion of the energy of a firing cartridge to extract the fired cartridge case and chamber the next round; and (B) requires a separate pull of the trigger to fire each cartridge. (31) The term semiautomatic shotgun means any repeating shotgun that— (A) utilizes a portion of the energy of a firing cartridge to extract the fired cartridge case and chamber the next round; and (B) requires a separate pull of the trigger to fire each cartridge.