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Version 00 · Introduced in Senate · Apr 9, 2025
Gas-Operated Semi-Automatic Firearms Exclusion Act or the GOSAFE Act
This bill establishes a framework to regulate gas-operated semiautomatic firearms and large capacity ammunition feeding devices under federal firearms laws.
First, the bill generally prohibits the import, sale, manufacture, transfer, receipt, or possession of
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a firearm that is or is modified to operate as a prohibited gas-operated semiautomatic firearm;
a combination of parts that modify or can be assembled into a prohibited gas-operated semiautomatic firearm, or that produce an unlawful gas-operated semiautomatic cycling action;
a device or combination of parts designed to materially increase the rate of fire of a semiautomatic firearm; or
a firearm that is modified to materially increase the rate of fire.
Second, the bill generally prohibits (1) the import, sale, manufacture, transfer, or receipt of a large capacity ammunition feeding device; or (2) the possession of a large capacity ammunition feeding device manufactured after the date of enactment.
A violation is subject to criminal penalties—a fine, a prison term of up to 12 months, or both, for each violation.
In addition, an individual who possesses a prohibited gas-operated semiautomatic firearm during a federal felony offense is subject to additional penalties—a fine, a mandatory minimum prison term of two years, or both.
Finally, the bill allows a state or local government to use Edward Byrne Memorial Justice Assistance Grant Program funds to compensate individuals who surrender gas-operated semiautomatic firearms and large capacity ammunition feeding devices under a buy-back program.
People & committees
Sen. Heinrich, Martin [D-NM] · D–NM
Legislative record
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Read twice and referred to the Committee on Finance.
Introduced in Senate
Primary sources
Text links open the official source. We currently store references to these documents.
Source last updated: Sep 16, 2026. Consult Congress.gov for the current record.
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