Modern Firearm Safety Act

Bill Number: H.R. 4676
Origin Chamber: House
Congress: 119th Congress, Session 1
Policy Area: Crime and Law Enforcement
Status: Introduced
Latest Action: 2025-07-23: Referred to the House Committee on the Judiciary.
Last Updated: 2025-09-17T16:48:32Z

AI-Generated Summary

Purpose of the Legislation

The "Modern Firearm Safety Act" (H.R. 4676) aims to prevent federal, state, and local governments from requiring handguns to include specific design features or safety mechanisms that are not mandated by federal law. It seeks to expand access to commonly available handguns, reduce their costs, and protect what the bill describes as Second Amendment rights by overriding state and local rules seen as overly restrictive.

Key Provisions

Findings Section: Congress states that state and local handgun design rules (e.g., mandating uncommon safety features) limit consumer choices, raise prices, alter firearm designs in ways that could create safety risks, violate the Second Amendment (the U.S. Constitution's right to bear arms), and interfere with interstate commerce (trade across state lines). The Act preempts—meaning overrides—any such rules that go beyond federal requirements.
Prohibition on Specific Requirements: Amends federal law (18 U.S.C. § 927) to ban enforcement of any laws or regulations requiring handguns involved in interstate or foreign commerce to include:
A device showing if the handgun is loaded.
A mechanism blocking firing if the ammunition magazine is not fully inserted (known as a magazine disconnect).
Technology to imprint unique marks on fired bullets or casings for tracing (microstamping).
Any similar devices, mechanisms, or technologies that could perform these functions or be adapted to do so.
Features allowing attachment of such devices.
This applies to all U.S. departments, agencies, states, and local governments, ensuring handguns can be manufactured, sold, or received without these additions unless federally required.

Significant Changes to Existing Law

Modifies 18 U.S.C. § 927, which previously stated that federal gun laws do not override stricter state or local laws. The bill adds an exception: states and localities cannot impose the listed handgun feature requirements, effectively creating a federal preemption for these specific safety mandates while leaving other state gun laws intact.
Shifts from allowing state-level innovation in firearm safety to a uniform federal baseline, prohibiting "add-on" features not in "common use" among typical handguns.

Potential Impacts

On Citizens: Law-abiding gun owners in states with strict handgun rules may gain more affordable and varied options for purchasing standard handguns, potentially increasing access but reducing certain built-in safety features.
On Government Agencies: Federal agencies (e.g., Bureau of Alcohol, Tobacco, Firearms and Explosives) must align with the new limits; state and local law enforcement or regulatory bodies in affected areas (e.g., California, New York) would lose authority to enforce existing feature mandates, possibly requiring them to revise laws or face legal challenges.
On International Relations: Minimal direct impact, though it could affect U.S. firearm exports if foreign partners have similar safety standards; no explicit international provisions.
Broader effects include potential shifts in firearm prices and availability nationwide, with reduced state-level experimentation on gun safety tech.

Main Stakeholders Affected

Gun Owners and Consumers: Primarily benefits those seeking unrestricted access to common handgun models, especially in states labeled "hostile to liberty" in the bill (implying places with strict gun laws).
Firearm Manufacturers and Sellers: Eases production and interstate sales by eliminating state-specific design mandates, potentially lowering compliance costs.
State and Local Governments: Adversely affects jurisdictions with existing handgun safety laws, limiting their regulatory power.
Advocacy Groups: Pro-gun organizations (e.g., NRA supporters) likely support it; gun control advocates may oppose due to reduced safety options.
Federal Lawmakers and Agencies: Must implement and enforce the preemption, influencing national gun policy debates.

Notable Legal, Constitutional, or Political Implications

Legal: Introduces targeted federal preemption of state laws, which could lead to lawsuits challenging the bill's scope or constitutionality under the Commerce Clause (federal power over interstate trade) or Tenth Amendment (states' rights). It builds on Supreme Court precedents like District of Columbia v. Heller (2008), emphasizing "common use" firearms protected by the Second Amendment.
Constitutional: Directly invokes the Second Amendment as a basis for overriding state rules, framing certain safety features as unconstitutional burdens on gun rights; this could spark debates on balancing public safety with individual liberties.
Political: Reflects partisan divides on gun control, introduced by Republican lawmakers to counter "blue state" regulations. Passage could escalate federal-state tensions, influence midterm elections, or prompt retaliatory state legislation in non-affected areas, while highlighting commerce as a tool for national gun policy uniformity.

This summary was generated by AI and may contain inaccuracies. Refer to the official source document for the authoritative text.

Sponsor

Rep. Issa, Darrell [R-CA-48]

Cosponsors (14)

Rep. Tenney, Claudia [R-NY-24], Rep. Collins, Mike [R-GA-10], Rep. Gooden, Lance [R-TX-5], Rep. Biggs, Andy [R-AZ-5], Rep. Fallon, Pat [R-TX-4], Rep. Mills, Cory [R-FL-7], Rep. Fleischmann, Charles J. "Chuck" [R-TN-3], Rep. Harris, Andy [R-MD-1], Rep. Baumgartner, Michael [R-WA-5], Rep. Thompson, Glenn [R-PA-15], Rep. Higgins, Clay [R-LA-3], Rep. Rose, John W. [R-TN-6], Rep. Babin, Brian [R-TX-36], Rep. Begich, Nicholas J. [R-AK-At Large]

Recent Actions

2025-07-23: Referred to the House Committee on the Judiciary.
2025-07-23: Introduced in House
2025-07-23: Introduced in House

Bill Versions

Modern Firearm Safety Act — issued 2025-07-23 — PDF (4 pages)