PlainBillCongress, translated.Legislation. Context. Public interest.Referred to the Subcommittee on Crime, Terrorism, Homeland Security, and Investigations.
Congressional Research Service
Version 00 · Introduced in House · Apr 10, 2013
Undetectable Firearms Modernization Act - Amends the Undetectable Firearms Act of 1988 to: (1) delay the repeal date for 10 years; and (2) extend coverage of, and exemptions under, the Act to undetectable firearm receivers and ammunition magazines.
Prohibits the manufacture, importation, sale, shipment, delivery, possession, transfer, or receipt of any receiver for a rifle or handgun, or of any ammunition magazine, that: (1) is manufactured by a person who is not a licensed manufacturer; (2) is not as detectable as the Receiver Security Exemplar or the Magazine Security Exemplar by walk-through metal detectors; or (3) does not generate an image that accurately depicts the shape of a receiver or a magazine when subjected to inspection by airport x-ray machines.
Allows barium sulfate or other compounds to be used in the fabrication of a firearm receiver.
Showing the opening paragraphs of the official summary.
Defines a "Receiver Security Exemplar" and a "Magazine Security Exemplar" as objects fabricated at the direction of the Attorney General that are: (1) constructed, respectively, of 3.7 ounces of material type 17-4 PH stainless steel in a shape resembling the lower receiver for a rifle or handgun or of 1 ounce of material type 17-4 PH stainless steel in a shape resembling an ammunition magazine; and (2) suitable for testing and calibrating metal detectors.
Directs the Attorney General to promulgate regulations to permit receivers or magazines that were previously prohibited but that become as detectable as the respective Exemplar in view of advances in weapons detection technology.
People & committees
Rep. Israel, Steve [D-NY-3] · D–NY
Legislative record
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Referred to the Subcommittee on Crime, Terrorism, Homeland Security, and Investigations.
Referred to the House Committee on the Judiciary.
Introduced in House
Introduced in House
Primary sources
Text links open the official source. We currently store references to these documents.
Source last updated: Aug 12, 2025. Consult Congress.gov for the current record.
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