; (B) by redesignating paragraphs (3) through (6) as paragraphs (5) through (8), respectively; and (C) by inserting after paragraph (2) the following: (3) It shall be unlawful for a person to sell a semiautomatic assault weapon to another person who the seller knows or has reasonable cause to believe is less than 25 years of age. (4) It shall be unlawful for a person who is less than 25 years of age to purchase a semiautomatic assault weapon. ; and (2) in section 924(a)(6)(B)(ii)— (A) by striking handgun each place the term appears and inserting handgun, a semiautomatic assault weapon, ; (B) by inserting , or sold a semiautomatic assault weapons to a person who is less than 25 years of age, after juvenile the 1st place the term appears; and (C) by inserting or purchaser, as the case may be, after juvenile the 2nd place the term appears.