4
2
2
End Domestic Terrorism Act
7/29/2025, 2:57 PM
Summary of Bill HR 4257
This bill, titled "To amend title 18, United States Code, to provide increased penalties for mass killings involving machineguns or certain semiautomatic weapons, and for other purposes," was introduced in the 119th Congress as H.R. 4257 on June 30, 2025.
Read the Full Bill
Current Status of Bill HR 4257
Bill HR 4257 is currently in the status of Bill Introduced since June 30, 2025. Bill HR 4257 was introduced during Congress 119 and was introduced to the House on June 30, 2025. Bill HR 4257's most recent activity was Referred to the House Committee on the Judiciary. as of June 30, 2025
Bipartisan Support of Bill HR 4257
Total Number of Sponsors
3Democrat Sponsors
3Republican Sponsors
0Unaffiliated Sponsors
0Total Number of Cosponsors
1Democrat Cosponsors
1Republican Cosponsors
0Unaffiliated Cosponsors
0Policy Area and Potential Impact of Bill HR 4257
Primary Policy Focus
Crime and Law EnforcementAlternate Title(s) of Bill HR 4257
To amend title 18, United States Code, to provide increased penalties for mass killings involving machineguns or certain semiautomatic weapons, and for other purposes.
To amend title 18, United States Code, to provide increased penalties for mass killings involving machineguns or certain semiautomatic weapons, and for other purposes.
Comments
Sponsors and Cosponsors of HR 4257
Latest Bills
Workforce for AI Trust Act
Bill HR 9334June 23, 2026
AI-Ready Federal Data Guidelines Act
Bill HR 9341June 23, 2026
Student Loan Refinancing Act of 2026
Bill HR 9166June 23, 2026
Postsecondary Student Success Act of 2026
Bill S 4778June 23, 2026
Student Protection and University Accountability Act
Bill HR 9203June 23, 2026
Protect Every Preschooler Act of 2026
Bill HR 9205June 23, 2026
Improving Mentorship in STEM Higher Education Act
Bill HR 9177June 23, 2026
PATH Act
Bill S 4673June 23, 2026
A resolution expressing support for the James Lick Observatory celebrating their 150th anniversary on June 7, 2026, and recognizing its contributions to science and astronomy.
Bill HRES 1348June 23, 2026
Protecting Academic Integrity Act of 2026
Bill HR 9074June 23, 2026

