1. Short title This Act may be cited as the 3–D Firearms Prohibitions Act . 2. Do-it-yourself assault weapon ban (a) Banned hazardous products Notwithstanding section 3(a)(5)(E) of the Consumer Product Safety Act ( 15 U.S.C. 2052(a)(5)(E) ), the following shall be considered banned hazardous products under section 8 of such Act ( 15 U.S.C. 2057 ): (1) A firearm receiver casting or firearm receiver blank or unfinished handgun frame that— (A) at the point of sale does not meet the definition of a firearm in section 921(a) of title 18, United States Code; and (B) after purchase by a consumer, can be completed by the consumer to the point at which such casting or blank functions as a firearm frame or receiver for a semiautomatic assault weapon or machinegun or the frame of a handgun. (2) An assault weapon parts kit. (3) A machinegun parts kit. (b) Enforcement Subsection (a) shall be treated as a ban under section 19 of the Consumer Product Safety Act ( 15 U.S.C. 2068 ). (c) Consultation In enforcing this section, the Consumer Product Safety Commission shall periodically consult with the Bureau of Alcohol, Tobacco, Firearms and Explosives regarding effective strategies for and methods of enforcement. 3. Prohibition of advertising do-it-yourself assault weapons (a) In general It shall be unlawful to market or advertise, on any medium of electronic communications, including over the Internet, for the sale of any of the following: (1) A firearm receiver casting or firearm receiver blank or unfinished handgun frame that— (A) at the point of sale does not meet the definition of a firearm in section 921(a) of title 18, United States Code