H.R. 3947House115th Congress (2017-2019)In Committee

Automatic Gunfire Prevention Act

Introduced October 4, 2017

AI-Generated Summary

Updated April 15, 2026 at 6:18 PM UTC

The Automatic Gunfire Prevention Act would make it illegal to import, sell, manufacture, transfer, or possess certain devices that speed up the firing rate of semiautomatic rifles, such as trigger cranks and bump‑fire devices. The ban would take effect 180 days after the law is enacted and applies to interstate and foreign commerce, with an exemption for the U.S. government and its agencies.

Key Provisions

  • Adds a new prohibited category (v) to 18 U.S.C. § 922, covering trigger cranks, bump‑fire devices, and any accessory designed to increase the rate of fire of a semiautomatic rifle (but not to convert it to a machine gun).
  • The ban becomes effective 180 days after the law’s enactment.
  • Exempts the United States, its departments, agencies, and state or local governments from the prohibition.
  • Amends 18 U.S.C. § 924(a)(2) to include the new prohibited category (v) as a punishable offense.

Legislative Activity

Stay on top of the latest movement without scrolling through every action

3 earlier actions
HouseCommittee Latest Action

Referred to the Subcommittee on Crime, Terrorism, Homeland Security, and Investigations.

October 4, 2017

View full timeline
HouseIntro Referral

Introduced in House

October 4, 2017

HouseIntro Referral

Sponsor introductory remarks on measure. (CR H7763)

October 4, 2017

HouseIntro Referral

Referred to the House Committee on the Judiciary.

October 4, 2017

HouseCommittee

Referred to the Subcommittee on Crime, Terrorism, Homeland Security, and Investigations.

October 4, 2017

Floor Debate

1 member

What members said about H.R. 3947 on the floor

1 Democrat
Sheila Jackson Lee
Rep. Sheila Jackson LeeD-TX-18 · May 22, 2018

Mr. Speaker, I rise to join my Congressional Black Caucus Colleagues to speak forcefully for this Congress to listen to the children of this nation who are crying out to us for help asking that we…

Sheila Jackson Lee
Rep. Sheila Jackson LeeD-TX-18 · Mar 5, 2018

Mr. Speaker, I rise today to call upon the President and the Congress of the United States to act without delay and pass legislation to prevent gun violence and mass casualties from shootings. The…

Sheila Jackson Lee
Rep. Sheila Jackson LeeD-TX-18 · Mar 8, 2018

Mr. Speaker, I rise today to call upon the President and the Congress of the United States to act without delay and pass legislation to prevent gun violence and mass casualties from shootings. The…

Bill Text

Latest available legislative text

Reading Mode
Latest
Introduced in HouseIssued October 4, 2017

I

115th CONGRESS

1st Session

H. R. 3947

IN THE HOUSE OF REPRESENTATIVES

October 4, 2017

Mr. Cicilline (for himself, Ms. Adams, Ms. Barragán, Ms. Bass, Mrs. Beatty, Mr. Beyer, Mr. Blumenauer, Ms. Blunt Rochester, Ms. Bonamici, Mr. Brendan F. Boyle of Pennsylvania, Mr. Brady of Pennsylvania, Mr. Brown of Maryland, Ms. Brownley of California, Mr. Capuano, Mr. Carbajal, Mr. Cárdenas, Mr. Carson of Indiana, Ms. Castor of Florida, Ms. Judy Chu of California, Ms. Clark of Massachusetts, Mr. Cleaver, Mr. Cohen, Mr. Conyers, Mr. Courtney, Mr. Crist, Mr. Crowley, Mr. Cummings, Mrs. Davis of California, Mr. Danny K. Davis of Illinois, Mr. DeFazio, Ms. DeGette, Ms. DeLauro, Ms. DelBene, Mrs. Demings, Mr. DeSaulnier, Mr. Deutch, Mr. Michael F. Doyle of Pennsylvania, Mr. Engel, Mr. Espaillat, Ms. Eshoo, Ms. Esty of Connecticut, Mr. Evans, Ms. Frankel of Florida, Mr. Gallego, Mr. Garamendi, Mr. Grijalva, Mr. Gomez, Mr. Gutiérrez, Ms. Hanabusa, Mr. Hastings, Mr. Heck, Mr. Higgins of New York, Mr. Himes, Ms. Norton, Mr. Huffman, Ms. Jackson Lee, Ms. Jayapal, Mr. Jeffries, Ms. Eddie Bernice Johnson of Texas, Mr. Johnson of Georgia, Ms. Kelly of Illinois, Mr. Keating, Mr. Kennedy, Mr. Kihuen, Mr. Kildee, Mr. Langevin, Mrs. Lawrence, Ms. Lee, Mr. Levin, Mr. Lewis of Georgia, Mr. Ted Lieu of California, Mr. Lipinski, Ms. Lofgren, Mr. Lowenthal, Mrs. Lowey, Ms. Michelle Lujan Grisham of New Mexico, Mr. Ben Ray Luján of New Mexico, Mr. Lynch, Mrs. Carolyn B. Maloney of New York, Ms. Matsui, Ms. McCollum, Mr. McEachin, Mr. McGovern, Mr. Meeks, Ms. Moore, Mr. Moulton, Mrs. Murphy of Florida, Mr. Nadler, Mr. Nolan, Mr. Norcross, Mr. Pallone, Mr. Panetta, Mr. Payne, Mr. Perlmutter, Ms. Pingree, Mr. Pocan, Mr. Price of North Carolina, Mr. Raskin, Miss Rice of New York, Ms. Rosen, Ms. Roybal-Allard, Mr. Ruppersberger, Mr. Ryan of Ohio, Mr. Sablan, Mr. Sarbanes, Ms. Schakowsky, Mr. Schiff, Mr. Schneider, Mr. Scott of Virginia, Mr. Serrano, Ms. Shea-Porter, Mr. Sherman, Mr. Sires, Ms. Slaughter, Mr. Soto, Mr. Suozzi, Mr. Swalwell of California, Mr. Takano, Mr. Thompson of California, Ms. Titus, Mr. Tonko, Mrs. Torres, Ms. Tsongas, Ms. Velázquez, Mr. Walz, Ms. Wasserman Schultz, Ms. Maxine Waters of California, Mrs. Watson Coleman, Ms. Clarke of New York, Mrs. Dingell, Mr. Doggett, Mr. Ellison, Mr. Foster, Mr. Khanna, Mr. Krishnamoorthi, Mr. Sean Patrick Maloney of New York, Ms. Meng, Mr. Quigley, Mr. Rush, Mr. Schrader, and Ms. Speier) introduced the following bill; which was referred to the Committee on the Judiciary

A BILL

To prohibit the possession or transfer of certain firearm accessories, and for other purposes.

1.

Short title

This Act may be cited as the Automatic Gunfire Prevention Act.

2.

Prohibition on possession of certain firearm accessories

Chapter 44 of title 18, United States Code, is amended—

(1)

in section 922, by inserting after subsection (u) the following:

(v)
(1)

Except as provided in paragraph (2), on and after the date that is 180 days after the date of enactment of this subsection, it shall be unlawful for any person to import, sell, manufacture, transfer, or possess, in or affecting interstate or foreign commerce, a trigger crank, a bump-fire device, or any part, combination of parts, component, device, attachment, or accessory that is designed or functions to accelerate the rate of fire of a semiautomatic rifle but not convert the semiautomatic rifle into a machinegun.

(2)

This subsection does not apply with respect to the importation for, manufacture for, sale to, transfer to, or possession by or under the authority of, the United States or any department or agency thereof or a State, or a department, agency, or political subdivision thereof.

; and

(2)

in section 924(a)(2), by striking , or (o) and inserting (o), or (v).