Bill Details

HR.631 - 119th Congress

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This bill would change the federal legal definition of a firearm silencer or muffler. It says these terms would cover not only a device meant to reduce the sound of a portable firearm, but also the main outer part of that device when it holds the sound-reducing parts inside. It also makes clear that the device can count as a silencer or muffler even if it connects to the firearm through a mount, adapter, or similar piece. In simple terms, the bill is meant to update and broaden how the law describes these sound-reducing gun parts.

  • It rewrites the definition in federal law for “firearm silencer” and “firearm muffler.”
  • It includes devices designed to silence, muffle, or reduce the sound of a portable firearm.
  • It also covers the outer tube or main body of a device that holds the sound-reducing parts inside.
  • The bill says the device can be attached directly to a firearm or through another part like a mount or adapter.

Official Summaries

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Current Full Text

[Congressional Bills 119th Congress]
[From the U.S. Government Publishing Office]
[H.R. 631 Introduced in House (IH)]

<DOC>






119th CONGRESS
  1st Session
                                H. R. 631

  To amend the definitions of firearm silencer and firearm muffler in 
  section 921 of title 18, United States Code, and for other purposes.


_______________________________________________________________________


                    IN THE HOUSE OF REPRESENTATIVES

                            January 22, 2025

 Mr. Pfluger (for himself, Mr. Golden of Maine, Mr. Cline, Mr. Ezell, 
   Mr. Rulli, Mr. Babin, Ms. Tenney, Mr. Moore of West Virginia, Mr. 
  Collins, and Mr. Bergman) introduced the following bill; which was 
               referred to the Committee on the Judiciary

_______________________________________________________________________

                                 A BILL


 
  To amend the definitions of firearm silencer and firearm muffler in 
  section 921 of title 18, United States Code, and for other purposes.

    Be it enacted by the Senate and House of Representatives of the 
United States of America in Congress assembled,

SECTION 1. SHORT TITLE.

    This Act may be cited as the ``Protecting Americans' Right To 
Silence Act of 2025'' or the ``PARTS Act of 2025''.

SEC. 2. FIREARM SILENCERS AND FIREARM MUFFLERS.

    Section 921(a)(25) of title 18, United States Code, is amended to 
read as follows:
    ``(25) The terms `firearm silencer' and `firearm muffler' mean--
            ``(A) any device designed or redesigned, made or remade, 
        and intended--
                    ``(i) to silence, muffle, or diminish the auditory 
                report of a portable firearm; and
                    ``(ii) to be attached to a portable firearm, 
                directly or through a mount, adaptor, or other device 
                that is not a firearm silencer or firearm muffler; or
            ``(B) the outer tube or other single part of any device 
        that--
                    ``(i) provides the primary housing or is the 
                primary structure for internal sound-reduction 
                components designed or redesigned, made or remade, and 
                intended to silence, muffle, or diminish the auditory 
                report of a portable firearm; and
                    ``(ii) attaches to a portable firearm, directly or 
                through a mount, adaptor, or other device that is not a 
                firearm silencer or firearm muffler.''.
                                 <all>