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HR 4221 · in committee · significant

Undetectable Firearms Modernization Act

What this bill does

  • The bill strengthens federal requirements for firearm detectability by metal detectors.
  • It affects firearm manufacturers and applies to civilian and government-contracted weapons.
  • The bill updates detection standards to apply after removing all parts except major components.

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Community Threads

Started by Cosponsor

  1. 01

    How would requiring firearms to remain detectable after removing all but major components affect the manufacturing costs and design processes of firearm makers?

  2. 02

    Which groups—manufacturers, law enforcement, security agencies, or others—would bear the primary compliance burden under these updated detection standards?

  3. 03

    What evidence or incidents prompted updating the detectability standards to focus specifically on firearms with major components remaining?

Cosponsor writes these to seed civic discussion — they aren't user posts. Sign in to reply.

Sponsor · D-PA-4

Madeleine Dean

Citizen cosponsors

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In Congress

0/ 435

House Reps cosponsoring

Introduced 2025-06-27

Legislative timeline

  1. 2025-06-27 · house · IntroReferral

    Referred to the House Committee on the Judiciary.

  2. 2025-06-27 · IntroReferral

    Introduced in House

  3. 2025-06-27 · IntroReferral

    Introduced in House

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