Stop Arming Cartels Act of 2025
Official title: To prohibit the importation, sale, manufacture, transfer, or possession of .50 caliber rifles, and for other purposes.
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Referred to the Committee on the Judiciary, and in addition to the Committee on Ways and Means, for a period to be subsequently determined by the Speaker, in each case for consideration of such provisions as fall within the jurisdiction of the committee concerned.
Stop Arming Cartels Act of 2025
This bill expands the regulation of .50 caliber rifles under federal firearms laws and authorizes new civil remedies for certain violations.
Firearms that are trafficked from the United States to Mexico are often routed to transnational criminal organizations (TCOs), including cartels. In recent years, TCOs increasingly use .50 caliber rifles in attacks on Mexican security forces.
In 2025, in Smith & Wesson Brands, Inc. v. Estados Unidos Mexicanos, the U.S. Supreme Court held that the Protection of Lawful Commerce in Arms Act (PLCAA) bars a civil lawsuit by Mexico against U.S. firearms manufacturers and one U.S. firearms distributor for costs associated with gun violence in Mexico. (The PLCAA limits the civil liability of firearms manufacturers and sellers for damages resulting from the criminal or unlawful misuse of firearms.)
This bill generally criminalizes the import, sale, manufacture, transfer, and possession of .50 caliber rifles under the Gun Control Act and subjects .50 caliber rifles to regulation (i.e., registration and licensing requirements) under the National Firearms Act.
Additionally, the bill criminalizes the sale or transfer of firearms and ammunition to foreign individuals or entities designated as significant foreign narcotics traffickers or as part of their networks and sanctioned under the Foreign Narcotics Kingpin Designation Act (Kingpin Act).
Finally, the bill creates an exception under the PLCAA to allow civil lawsuits against firearms manufacturers or sellers that knowingly sell or transfer a firearm or ammunition to a foreign individual or entity designated and sanctioned under the Kingpin Act.
- Introduced in House Formatted Text PDF Formatted XML
- BRADY CAMPAIGN TO PREVENT GUN VIOLENCE
- HILL EAST GROUP, LLC
- BRADY CAMPAIGN TO PREVENT GUN VIOLENCE
- BRADY CAMPAIGN TO PREVENT GUN VIOLENCE
- GUN OWNERS OF AMERICA, INC.
- BRADY CAMPAIGN TO PREVENT GUN VIOLENCE
Bodies those filers lobbied
- HOUSE OF REPRESENTATIVES
- SENATE
- Bureau of Alcohol Tobacco Firearms & Explosives
- Executive Office of the President (EOP)
- U.S. Fish & Wildlife Service (USFWS)
- Justice, Dept of (DOJ)
Cite this page
U.S. Congress. (2026). H.R. 923: Stop Arming Cartels Act of 2025. 119th Congress. Open America. https://openamerica.io/bill/119-HR-923/
"H.R. 923: Stop Arming Cartels Act of 2025." 119th Congress, 2026, Open America, https://openamerica.io/bill/119-HR-923/.
H.R. 923, 119th Cong. (2026), https://openamerica.io/bill/119-HR-923/.
[H.R. 923: Stop Arming Cartels Act of 2025](https://openamerica.io/bill/119-HR-923/)