2025-2026 Regular Session • US Congress Legislature
SB1374: BUMP Act Banning Unlawful Machinegun Parts Act
Legislative Summary
A bill to amend title 18, United States Code, to prohibit machinegun conversion devices and illegal modifications of semiautomatic firearms, and for other purposes.
Demographic Impact
Overall analysis of equity impact
80% Positive
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Bill History
4/9/2025
Read twice and referred to the Committee on the Judiciary.
Senate
Status Information
Current Status
Introduced(4/9/2025)
Chamber
Senate
Committee
Judiciary(Senate)
Sponsors
Democrat: 25
Republican: 1
Independent: 2
Primary Sponsor
Martin Heinrich
Democrat
Co-Sponsors (27)
Susan Collins
Republican
Catherine Cortez Masto
Democrat
Jacky Rosen
Democrat
John Fetterman
Democrat
Christopher Coons
Democrat
Amy Klobuchar
Democrat
Tim Kaine
Democrat
Jack Reed
Democrat
Sheldon Whitehouse
Democrat
Richard Blumenthal
Democrat
Richard Durbin
Democrat
Jeanne Shaheen
Democrat
Alex Padilla
Democrat
Tina Smith
Democrat
Angus King
Independent
Mark Kelly
Democrat
Michael Bennet
Democrat
Tammy Duckworth
Democrat
Edward Markey
Democrat
Chris Van Hollen
Democrat
Bernard Sanders
Independent
Patty Murray
Democrat
Ron Wyden
Democrat
Cory Booker
Democrat
Mazie Hirono
Democrat
Peter Welch
Democrat
Adam Schiff
Democrat