; and (2) by adding at the end the following: (38) 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. (39) 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. (40) The term barrel shroud — (A) means a shroud that is attached to, or partially or completely encircles, the barrel of a firearm so that the shroud protects the user of the firearm from heat generated by the barrel; and (B) does not include— (i) a slide that partially or completely encloses the barrel