I 
115TH CONGRESS 
2D SESSION 
H. R. 7115 
To prohibit the sale, acquisition, distribution in commerce, or import into 
the United States of certain firearm receiver castings or blanks, assault 
weapon parts kits, and machinegun parts kits and the marketing or 
advertising of such castings or blanks and kits on any medium of elec-
tronic communications, to require homemade firearms to have serial 
numbers, and for other purposes. 
IN THE HOUSE OF REPRESENTATIVES 
NOVEMBER 2, 2018 
Mr. PALLONE (for himself, Mr. SIRES, Ms. NORTON, Mr. CA´RDENAS, Mr. 
KHANNA, Mr. PASCRELL, Ms. SCHAKOWSKY, Mr. HASTINGS, Ms. 
CLARKE of New York, Mr. CARBAJAL, Mr. SOTO, Mr. MCGOVERN, Ms. 
KELLY of Illinois, and Mr. RUSH) introduced the following bill; which was 
referred to the Committee on Energy and Commerce, and in addition to 
the Committee on the Judiciary, for a period to be subsequently deter-
mined by the Speaker, in each case for consideration of such provisions 
as fall within the jurisdiction of the committee concerned 
A BILL 
To prohibit the sale, acquisition, distribution in commerce, 
or import into the United States of certain firearm re-
ceiver castings or blanks, assault weapon parts kits, and 
machinegun parts kits and the marketing or advertising 
of such castings or blanks and kits on any medium 
of electronic communications, to require homemade fire-
arms to have serial numbers, and for other purposes. 
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Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘3–D Firearms Prohibi-
tions Act’’. 
SEC. 2. DO-IT-YOURSELF ASSAULT WEAPON BAN. 
(a) BANNED
HAZARDOUS
PRODUCTS.—Notwith-
standing 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 re-
ceiver 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 fire-
arm frame or receiver for a semiautomatic as-
sault weapon or machinegun or the frame of a 
handgun. 
(2) An assault weapon parts kit. 
(3) A machinegun parts kit. 
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(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. 
SEC. 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 fol-
lowing: 
(1) A firearm receiver casting or firearm re-
ceiver 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 fire-
arm frame or receiver for a semiautomatic as-
sault weapon or machinegun or the frame of a 
handgun. 
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(2) An assault weapon parts kit. 
(3) A machinegun parts kit. 
(b) ENFORCEMENT BY THE FEDERAL TRADE COM-
MISSION.—A violation of subsection (a) shall be treated 
as a violation of a rule defining an unfair or deceptive 
act or practice described under section 18(a)(1)(B) of the 
Federal Trade Commission Act (15 U.S.C. 57a(a)(1)(B)). 
The Federal Trade Commission shall enforce this section 
in the same manner, by the same means, and with the 
same jurisdiction, powers, and duties as though all appli-
cable terms and provisions of the Federal Trade Commis-
sion Act (15 U.S.C. 41 et seq.) were incorporated into and 
made a part of this Act. 
(c) RULE OF CONSTRUCTION.—Nothing contained in 
this Act shall be construed to limit the authority of the 
Federal Trade Commission under any other provision of 
law. 
SEC. 4. REQUIREMENT THAT HOMEMADE FIREARMS HAVE 
SERIAL NUMBERS. 
(a) IN GENERAL.—Chapter 44 of title 18, United 
States Code, is amended by inserting after section 923 the 
following: 
‘‘§ 923A. Serial numbers for homemade firearms 
‘‘(a) REQUEST.—A person who has attained 18 years 
of age and desires to make a firearm, or obtain a unique 
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serial number or other identifying mark for a firearm, may 
request a licensed dealer to issue a unique serial number 
or other identifying mark for the firearm, which request 
shall describe the firearm involved, and state whether the 
firearm will be (or is) a handgun. 
‘‘(b) CONSIDERATION.— 
‘‘(1) TREATMENT OF REQUEST AS TRANSFER 
PROPOSAL.—A request made of a licensed dealer 
pursuant to subsection (a) with respect to a firearm 
shall be treated as a proposed transfer of the fire-
arm from the licensed dealer to the applicant, for 
purposes of section 922(t) of this title and section 
103 of the Brady Handgun Violence Prevention Act, 
except that the Firearms Transaction Record in-
volved shall indicate that what is being transferred 
is a serial number and not a firearm. 
‘‘(2) ISSUANCE
OF
SERIAL
NUMBER.—A li-
censed dealer may issue to an applicant a unique se-
rial number and identifying mark for a firearm pur-
suant to such a request if, applying paragraph (1) 
of this subsection to the request, section 922(t) or 
other law would not prohibit the licensed dealer from 
transferring the firearm to the applicant. 
‘‘(3) FEE AUTHORITY.—A licensed dealer may 
charge an applicant a fee for each serial number and 
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identifying mark assigned and issued under this sec-
tion, in an amount that is not more than the actual 
costs associated with assigning and issuing the serial 
number and identifying mark, and a fee for con-
tacting the national instant criminal background 
check system with respect to the applicant. 
‘‘(c) PROHIBITIONS; REQUIREMENTS.— 
‘‘(1) BAN ON MAKING FIREARM BEFORE OB-
TAINING SERIAL NUMBER.— 
‘‘(A) IN GENERAL.—It shall be unlawful 
for any person, in or affecting interstate or for-
eign commerce, to make a firearm, unless the 
person has obtained a serial number and identi-
fying mark for the firearm under this section. 
‘‘(B) MAKE
DEFINED.—In subparagraph 
(A), the term ‘make’ means produce, construct, 
or fabricate by any means. 
‘‘(2) PRESENTATION OF FIREARM FOR WHICH 
SERIAL NUMBER IS ISSUED FOR VERIFICATION BY 
ISSUING DEALER.—Within 90 days after a person 
obtains a serial number and identifying mark for a 
firearm under this section, the person shall present 
the firearm to the licensed dealer who issued the se-
rial number and identifying mark. On presentation, 
the licensed dealer shall verify that the serial num-
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ber has been stamped on or otherwise permanently 
affixed to the firearm and that the firearm matches 
the description provided by the person when the re-
quest for the serial number and identifying mark 
was made. 
‘‘(3) BAN
ON
POSSESSION
OR
TRANSFER
OF 
FIREARM
WITHOUT
SERIAL
NUMBER.—It shall be 
unlawful for any person, in or affecting interstate or 
foreign commerce, to possess or transfer a firearm 
made after 1968 by a person who is not a licensed 
manufacturer, unless— 
‘‘(A) a serial number and identifying mark 
for the firearm has been issued under this sec-
tion; 
‘‘(B) within 10 days after the issuance, the 
serial number and identifying mark is stamped 
on or otherwise permanently affixed to the fire-
arm; and 
‘‘(C) if the firearm is made from polymer 
plastic, 3.7 ounces of material type 17–4 PH 
stainless steel, on which the unique serial num-
ber or identifying mark is stamped or otherwise 
permanently affixed, are embedded within the 
plastic. 
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‘‘(4) EXCEPTIONS.—This subsection shall not 
apply to— 
‘‘(A) a firearm to which a serial number 
has been assigned pursuant to section 923 of 
this title or chapter 53 of the Internal Revenue 
Code of 1986; or 
‘‘(B) a licensed manufacturer. 
‘‘(d) ADMINISTRATIVE PROVISIONS.— 
‘‘(1) ESTABLISHMENT OF TRACEABILITY SYS-
TEM.— 
‘‘(A) IN GENERAL.—Within 180 days after 
the date of the enactment of this section, the 
Attorney General shall, in consultation with li-
censed dealers, establish a system that enables 
the Attorney General to identify any licensed 
dealer who issues a serial number and identi-
fying mark pursuant to this section. 
‘‘(B) STANDARDS.—The system estab-
lished under subparagraph (A) shall include 
standards for serial numbers issued pursuant to 
this section, which shall ensure that the serial 
numbers are at least as unique and capable of 
being traced, and at least as difficult to oblit-
erate, as serial numbers issued pursuant to sec-
tion 923(i). 
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‘‘(2) INFORMATION ON COMPLIANCE WITH, AND 
ENFORCEMENT
OF, THIS
SECTION.—The Attorney 
General shall maintain, and make available on re-
quest, information on— 
‘‘(A) the number of serial numbers and 
identifying marks issued under this section; and 
‘‘(B) the number of arrests for violations 
of this section.’’. 
(b) PENALTIES.—Section 924(a) of such title is 
amended— 
(1) in paragraph (2), by inserting ‘‘or section 
923A(c)’’ after ‘‘922’’; and 
(2) in paragraph (5), by adding at the end the 
following: ‘‘For purposes of this paragraph, the 
issuance of a serial number and identifying mark for 
a firearm in violation of section 923A shall be con-
sidered a transfer of the firearm in violation of sec-
tion 922(t).’’. 
(c) CLERICAL AMENDMENT.—The table of sections 
for chapter 44 of such title is amended by inserting after 
the item relating to section 923 the following: 
‘‘923A. Serial number requirement for homemade firearms.’’. 
SEC. 5. DEFINITIONS. 
(a) TERMS.—For purposes of this Act— 
(1) the term ‘‘ammunition feeding device’’ 
means a magazine, belt, drum, feed strip, or similar 
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device, but does not include an attached tubular de-
vice designed to accept, and capable of operating 
only with, .22 caliber rimfire ammunition, and an 
ammunition feeding device shall be considered de-
tachable if the device can be removed from a firearm 
without disassembly of the firearm action; 
(2) the term ‘‘assault weapon parts kit’’ means 
any part or combination of parts designed and in-
tended to enable a consumer who possesses all such 
necessary parts to assemble a semiautomatic assault 
weapon; 
(3) the term ‘‘machinegun parts kit’’ means any 
part or combination of parts designed and intended 
to enable a consumer who possesses all such nec-
essary parts to assemble a machinegun or convert a 
firearm into a machinegun; 
(4) the term ‘‘semiautomatic assault weapon’’ 
means— 
(A) a semiautomatic rifle or semiautomatic 
shotgun that has the capacity to accept a de-
tachable ammunition feeding device; or 
(B) a semiautomatic pistol that has— 
(i) the capacity to accept a detachable 
ammunition feeding device; and 
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(ii) any one of the features described 
in subsection (b); 
(5) the term ‘‘machinegun’’ has the meaning 
given such term in section 5845(b) of the Internal 
Revenue Code of 1986; 
(6) the term ‘‘semiautomatic pistol’’ means any 
repeating pistol that utilizes a portion of the energy 
of a firing cartridge to extract the fixed cartridge 
case and chamber the next round and requires a 
separate pull of the trigger to fire each cartridge; 
(7) the term ‘‘semiautomatic rifle’’ has the 
meaning given such term in section 921(a)(28) of 
title 18, United States Code; and 
(8) the term ‘‘semiautomatic shotgun’’ means 
any repeating shotgun that utilizes a portion of the 
energy of a firing cartridge to extract the fixed car-
tridge case and chamber the next round and requires 
a separate pull of a trigger to fire each cartridge. 
(b) SPECIAL FEATURES OF A SEMIAUTOMATIC PIS-
TOL.—The special features described in subsection 
(a)(3)(B)(ii) are— 
(1) an ammunition magazine that attaches to 
the pistol outside of the pistol grip; 
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(2) a threaded barrel capable of accepting a 
barrel extender, flash suppressor, forward handgrip, 
or silencer; 
(3) a shroud that is attached to, or partially or 
completely encircles, the barrel and that permits the 
shooter to hold the firearm with the nontrigger hand 
without being burned; 
(4) a second hand grip; 
(5) a manufactured weight of 50 ounces or 
more when the pistol is unloaded; and 
(6) a semiautomatic version of an automatic 
firearm. 
SEC. 6. CONSTRUCTION. 
Nothing in this Act shall be construed as limiting the 
ability of a State to enact more restrictive gun-related 
laws, or bans on firearm receiver castings, firearm receiver 
blanks, assault weapon parts kits, or machinegun parts 
kits. 
SEC. 7. EFFECTIVE DATE. 
(a) IN GENERAL.—Except as provided in subsection 
(b), this Act and the amendments made by this Act, shall 
take effect 180 days after the date of the enactment of 
this Act. 
(b) EXCEPTIONS.—Subsections (a), (b), and (d), and 
the second sentence of subsection (c)(2), of section 923A 
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of title 18, United States Code, as added by the amend-
ment made by section 4(a) of this Act, shall take effect 
on the date of the enactment of this Act. 
Æ 
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