What it does
SourcedClosing the Bump Stock Loophole Act of 2025
This bill generally prohibits the import, sale, manufacture, transfer, receipt, or possession of
• a device that is primarily designed, or redesigned, to increase the rate of fire when attached to a semiautomatic firearm;
• a device, part, or combination of parts that is designed and functions to increase the rate of fire of a firearm; or
• a semiautomatic firearm that has been modified to materially increase the rate of fire or to approximate the action or rate of fire of a machine gun.
Additionally, the bill adds to the list of firearms subject to regulation under the National Firearms Act semiautomatic firearms that have been modified to materially increase the rate of fire or approximate the action or rate of fire of a machine gun.
Official summary by the Congressional Research Service (Introduced in House, Apr 9, 2025).
Our plain-language breakdown, with what it means for you and the case for and against, is written once a bill starts to move.
What has happened
Sourced- Apr 9, 2025Introduced in HouseLibrary of Congress
Cosponsors
- Gabe Amo D-RI-1
- Yassamin Ansari D-AZ-3
- Jake Auchincloss D-MA-4
- Becca Balint D-VT-At Large
- Nanette Diaz Barragán D-CA-44
- Joyce Beatty D-OH-3
- Wesley Bell D-MO-1
- Ami Bera D-CA-6
- Donald S. Beyer, Jr. D-VA-8
- Suzanne Bonamici D-OR-1
- Brendan F. Boyle D-PA-2
- Julia Brownley D-CA-26
Show 140 more cosponsors
- Nikki Budzinski D-IL-13
- Janelle S. Bynum D-OR-5
- Salud O. Carbajal D-CA-24
- André Carson D-IN-7
- Troy A. Carter D-LA-2
- Ed Case D-HI-1
- Sean Casten D-IL-6
- Kathy Castor D-FL-14
- Rep. Sheila Cherfilus-McCormick D-FL-20
- Judy Chu D-CA-28
- Yvette D. Clarke D-NY-9
- Emanuel Cleaver D-MO-5
- Rep. Gerald E. Connolly D-VA-11
- J. Luis Correa D-CA-46
- Jim Costa D-CA-21
- Joe Courtney D-CT-2
- Angie Craig D-MN-2
- Jasmine Crockett D-TX-30
- Jason Crow D-CO-6
- Danny K. Davis D-IL-7
- Madeleine Dean D-PA-4
- Diana DeGette D-CO-1
- Suzan K. DelBene D-WA-1
- Christopher R. Deluzio D-PA-17
- Mark DeSaulnier D-CA-10
- Maxine Dexter D-OR-3
- Debbie Dingell D-MI-6
- Lloyd Doggett D-TX-37
- Sarah Elfreth D-MD-3
- Adriano Espaillat D-NY-13
- Dwight Evans D-PA-3
- Brian K. Fitzpatrick R-PA-1
- Lizzie Fletcher D-TX-7
- Bill Foster D-IL-11
- Valerie P. Foushee D-NC-4
- Lois Frankel D-FL-22
- Laura Friedman D-CA-30
- Maxwell Frost D-FL-10
- John Garamendi D-CA-8
- Sylvia R. Garcia D-TX-29
- Robert Garcia D-CA-42
- Jesús G. "Chuy" García D-IL-4
- Daniel S. Goldman D-NY-10
- Maggie Goodlander D-NH-2
- Josh Gottheimer D-NJ-5
- Josh Harder D-CA-9
- Jahana Hayes D-CT-5
- James A. Himes D-CT-4
- Steven Horsford D-NV-4
- Chrissy Houlahan D-PA-6
- Glenn Ivey D-MD-4
- Sara Jacobs D-CA-51
- Pramila Jayapal D-WA-7
- Henry C. "Hank" Johnson, Jr. D-GA-4
- William R. Keating D-MA-9
- Robin L. Kelly D-IL-2
- Timothy M. Kennedy D-NY-26
- Ro Khanna D-CA-17
- Raja Krishnamoorthi D-IL-8
- Greg Landsman D-OH-1
- Rick Larsen D-WA-2
- John B. Larson D-CT-1
- George Latimer D-NY-16
- Summer L. Lee D-PA-12
- Susie Lee D-NV-3
- Mike Levin D-CA-49
- Ted Lieu D-CA-36
- Zoe Lofgren D-CA-18
- Stephen F. Lynch D-MA-8
- Seth Magaziner D-RI-2
- John W. Mannion D-NY-22
- Doris O. Matsui D-CA-7
- Lucy McBath D-GA-6
- Sarah McBride D-DE-At Large
- April McClain Delaney D-MD-6
- Jennifer L. McClellan D-VA-4
- Betty McCollum D-MN-4
- Morgan McGarvey D-KY-3
- LaMonica McIver D-NJ-10
- Robert Menendez D-NJ-8
- Grace Meng D-NY-6
- Kweisi Mfume D-MD-7
- Joseph D. Morelle D-NY-25
- Kelly Morrison D-MN-3
- Jared Moskowitz D-FL-23
- Seth Moulton D-MA-6
- Frank J. Mrvan D-IN-1
- Kevin Mullin D-CA-15
- Joe Neguse D-CO-2
- Donald Norcross D-NJ-1
- Eleanor Holmes Norton D-DC-At Large
- Alexandria Ocasio-Cortez D-NY-14
- Ilhan Omar D-MN-5
- Frank Pallone, Jr. D-NJ-6
- Chris Pappas D-NH-1
- Scott H. Peters D-CA-50
- Brittany Pettersen D-CO-7
- Chellie Pingree D-ME-1
- Mark Pocan D-WI-2
- Mike Quigley D-IL-5
- Delia C. Ramirez D-IL-3
- Jamie Raskin D-MD-8
- Deborah K. Ross D-NC-2
- Andrea Salinas D-OR-6
- Linda T. Sánchez D-CA-38
- Mary Gay Scanlon D-PA-5
- Janice D. Schakowsky D-IL-9
- Bradley Scott Schneider D-IL-10
- Kim Schrier D-WA-8
- Rep. David Scott D-GA-13
- Brad Sherman D-CA-32
- Rep. Mikie Sherrill D-NJ-11
- Lateefah Simon D-CA-12
- Adam Smith D-WA-9
- Eric Sorensen D-IL-17
- Darren Soto D-FL-9
- Melanie A. Stansbury D-NM-1
- Greg Stanton D-AZ-4
- Haley M. Stevens D-MI-11
- Marilyn Strickland D-WA-10
- Suhas Subramanyam D-VA-10
- Thomas R. Suozzi D-NY-3
- Rep. Eric Swalwell D-CA-14
- Emilia Strong Sykes D-OH-13
- Shri Thanedar D-MI-13
- Mike Thompson D-CA-4
- Rashida Tlaib D-MI-12
- Jill N. Tokuda D-HI-2
- Paul Tonko D-NY-20
- Norma J. Torres D-CA-35
- Ritchie Torres D-NY-15
- Lori Trahan D-MA-3
- Lauren Underwood D-IL-14
- Juan Vargas D-CA-52
- Nydia M. Velázquez D-NY-7
- James R. Walkinshaw D-VA-11
- Debbie Wasserman Schultz D-FL-25
- Bonnie Watson Coleman D-NJ-12
- Nikema Williams D-GA-5
- Frederica S. Wilson D-FL-24