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H.R. 631
U.S. House•In House Committee
Summary
H.R. 631, the PARTS Act of 2025, was introduced in the House on Jan 22, 2025 by Rep. August Pfluger (R) with 27 co-sponsors. It was referred to Judiciary, and last saw action on Jan 22, 2025: Referred to the House Committee on the Judiciary.
Record
Text
H.R. 631 has 27 co-sponsors.
hb631/introduced-in-house.txt119 HR 631 IH: Protecting Americans’ Right To Silence Act of 2025U.S. House of Representatives2025-01-22text/xmlENPursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain.I 119th CONGRESS 1st Session H. R. 631 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 BILLTo amend the definitions of firearm silencer and firearm muffler in section 921 of title 18, United States Code, and for other purposes.1.Short titleThis Act may be cited as the Protecting Americans’ Right To Silence Act of 2025 or the PARTS Act of 2025 .2.Firearm silencers and firearm mufflersSection 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..
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2025-01-22
- Passed House
- Passed Senate
- Conference
- To President
- Became Law
To amend the definitions of firearm silencer and firearm muffler in section 921 of title 18, United States Code, and for other purposes.
Sponsors
Rep. August Pfluger (R) sponsors H.R. 631, and 27 members have co-sponsored it, 9 of them from the day it was introduced.

Rep. · R–TX-11 · Sponsor
Introduced Jan 22, 2025

Rep. · R–TX-36 · Co-sponsor
Joined Jan 22, 2025 · Original

Rep. · R–MI-1 · Co-sponsor
Joined Jan 22, 2025 · Original

Rep. · R–VA-6 · Co-sponsor
Joined Jan 22, 2025 · Original

Rep. · R–GA-10 · Co-sponsor
Joined Jan 22, 2025 · Original

Rep. · R–MS-4 · Co-sponsor
Joined Jan 22, 2025 · Original

Rep. · D–ME-2 · Co-sponsor
Joined Jan 22, 2025 · Original

Rep. · R–WV-2 · Co-sponsor
Joined Jan 22, 2025 · Original

Rep. · R–OH-6 · Co-sponsor
Joined Jan 22, 2025 · Original

Rep. · R–NY-24 · Co-sponsor
Joined Jan 22, 2025 · Original
Committees
H.R. 631 went before 1 committee: Judiciary.
Actions
H.R. 631 has taken 2 actions since Jan 22, 2025.
| Chamber | Action | |||
|---|---|---|---|---|
Jan 22, 2025 | House | Introduced in House | ||
Jan 22, 2025 | House | Referred to the House Committee on the Judiciary.Judiciary Committee |
Votes
H.R. 631 has not gone to a roll call.
Related bills
2 bills are related to H.R. 631.
Titles
H.R. 631 goes by 4 titles, 2 of them short titles.
- PARTS Act of 2025 — Display Title
- To amend the definitions of firearm silencer and firearm muffler in section 921 of title 18, United States Code, and for other purposes. — Official Title as Introduced
- PARTS Act of 2025 — Short Title(s) as Introduced
- Protecting Americans’ Right To Silence Act of 2025 — Short Title(s) as Introduced
Lobbying
8 clients hired 6 firms and 30 registered lobbyists who named H.R. 631 in 32 quarterly filings, 2025 to 2026. Reported under the Lobbying Disclosure Act; a filing’s income covers everything its registrant worked that quarter, so the amounts below are the filings’, not this bill’s.
Filed under Firearms/Guns/Ammunition, Budget/Appropriations, Civil Rights/Civil Liberties, Financial Institutions/Investments/Securities, Law Enforcement/Crime/Criminal Justice, Natural Resources, Veterans, Aviation/Airlines/Airports.
Clients
Who paid to be heard, by how many filings named the bill.
| Client | Business | State | Firms | Filings | Reported |
|---|---|---|---|---|---|
| NATIONAL SHOOTING SPORTS FOUNDATION | — | District of Columbia | 1 | 9 | — |
| NATIONAL RIFLE ASSOCIATION OF AMERICA | — | Virginia | 1 | 8 | — |
| NATIONAL ASSOCIATION FOR GUN RIGHTS | — | Colorado | 1 | 6 | — |
| GUN OWNERS OF AMERICA INC | — | Virginia | 1 | 4 | — |
| FEDEX CORPORATION | — | District of Columbia | 1 | 2 | — |
| SILENCER SHOP | distribution and sales of suppressors | Texas | 1 | 1 | $45K |
| SICOSYNDICATE LLC | small arms armorer and manufacturer | Utah | 1 | 1 | $37.5K |
| FIREARMS REGULATORY ACCOUNTABILITY COALITION, INC. | coalition to improve business conditions for the firearms industry | North Dakota | 1 | 1 | $15K |
Firms
Registrants who filed on the bill, by filings.
| Registrant | Clients | Filings | Reported |
|---|---|---|---|
| NATIONAL SHOOTING SPORTS FOUNDATION | 1 | 9 | — |
| NATIONAL RIFLE ASSOCIATION OF AMERICA | 1 | 8 | — |
| NATIONAL ASSOCIATION FOR GUN RIGHTS | 1 | 6 | — |
| GUN OWNERS OF AMERICA, INC. | 1 | 4 | — |
| SHUMAKER ADVISORS, LLC | 3 | 3 | $97.5K |
| FEDEX CORPORATION | 1 | 2 | — |
Lobbyists
Named on the filings that cite the bill. The 20 named most often, of 30.
| Lobbyist | Firms | Clients | Filings |
|---|---|---|---|
| DIANE CIHOTA CASHOUR | 1 | 1 | 9 |
| JOSEPH BLISS | 1 | 1 | 9 |
| LAWRENCE KEANE | 1 | 1 | 9 |
| PATRICK ROTHWELL | 1 | 1 | 9 |
| SEAN SMITH | 1 | 1 | 9 |
| CHRISTOPHER ZEALAND | 1 | 1 | 8 |
| GORDON SPEED | 1 | 1 | 8 |
| HADAN HATCH | 1 | 1 | 8 |
| JOHN COMMERFORD | 1 | 1 | 8 |
| WILLIAM LANE | 1 | 1 | 8 |
| TIMOTHY CHURCHILL | 1 | 1 | 7 |
| ANGELO VELTRI | 1 | 1 | 6 |
| DUDLEY BROWN | 1 | 1 | 6 |
| DUSTIN CURTIS | 1 | 1 | 5 |
| AIDAN JOHNSTON | 1 | 1 | 4 |
| ALEX LARGE | 1 | 1 | 4 |
| BENJAMIN SANDERSON | 1 | 1 | 4 |
| ERICH PRATT | 1 | 1 | 4 |
| JEAN PICHARDO | 1 | 1 | 4 |
| JOHN VELLECO | 1 | 1 | 4 |
Filings
The documents themselves, on the Senate’s Lobbying Disclosure site, largest reported first.
| Client | Registrant | Period | Reported | Document |
|---|---|---|---|---|
| FEDEX CORPORATION | FEDEX CORPORATION | 2026 first_quarter | $3.1M | 1st Quarter - Report |
| FEDEX CORPORATION | FEDEX CORPORATION | 2026 second_quarter | $2.9M | 2nd Quarter - Report |
| NATIONAL SHOOTING SPORTS FOUNDATION | NATIONAL SHOOTING SPORTS FOUNDATION | 2026 first_quarter | $2.3M | 1st Quarter - Amendme… |
| NATIONAL SHOOTING SPORTS FOUNDATION | NATIONAL SHOOTING SPORTS FOUNDATION | 2026 first_quarter | $2.3M | 1st Quarter - Report |
| NATIONAL SHOOTING SPORTS FOUNDATION | NATIONAL SHOOTING SPORTS FOUNDATION | 2026 second_quarter | $2M | 2nd Quarter - Amendme… |
| NATIONAL SHOOTING SPORTS FOUNDATION | NATIONAL SHOOTING SPORTS FOUNDATION | 2026 second_quarter | $2M | 2nd Quarter - Report |
| NATIONAL SHOOTING SPORTS FOUNDATION | NATIONAL SHOOTING SPORTS FOUNDATION | 2025 first_quarter | $1.9M | 1st Quarter - Report |
| NATIONAL SHOOTING SPORTS FOUNDATION | NATIONAL SHOOTING SPORTS FOUNDATION | 2025 third_quarter | $1.8M | 3rd Quarter - Report |
| NATIONAL SHOOTING SPORTS FOUNDATION | NATIONAL SHOOTING SPORTS FOUNDATION | 2025 second_quarter | $1.8M | 2nd Quarter - Report |
| NATIONAL SHOOTING SPORTS FOUNDATION | NATIONAL SHOOTING SPORTS FOUNDATION | 2025 fourth_quarter | $1.6M | 4th Quarter - Amendme… |
| NATIONAL SHOOTING SPORTS FOUNDATION | NATIONAL SHOOTING SPORTS FOUNDATION | 2025 fourth_quarter | $1.6M | 4th Quarter - Report |
| GUN OWNERS OF AMERICA INC | GUN OWNERS OF AMERICA, INC. | 2025 second_quarter | $679K | 2nd Quarter - Report |
| GUN OWNERS OF AMERICA INC | GUN OWNERS OF AMERICA, INC. | 2025 first_quarter | $650.4K | 1st Quarter - Report |
| GUN OWNERS OF AMERICA INC | GUN OWNERS OF AMERICA, INC. | 2025 fourth_quarter | $545.7K | 4th Quarter - Report |
| NATIONAL RIFLE ASSOCIATION OF AMERICA | NATIONAL RIFLE ASSOCIATION OF AMERICA | 2026 second_quarter | $540K | 2nd Quarter - Report |
| NATIONAL RIFLE ASSOCIATION OF AMERICA | NATIONAL RIFLE ASSOCIATION OF AMERICA | 2025 first_quarter | $530K | 1st Quarter - Report |
| NATIONAL RIFLE ASSOCIATION OF AMERICA | NATIONAL RIFLE ASSOCIATION OF AMERICA | 2026 first_quarter | $520K | 1st Quarter - Report |
| NATIONAL RIFLE ASSOCIATION OF AMERICA | NATIONAL RIFLE ASSOCIATION OF AMERICA | 2025 second_quarter | $480K | 2nd Quarter - Amendme… |
| NATIONAL RIFLE ASSOCIATION OF AMERICA | NATIONAL RIFLE ASSOCIATION OF AMERICA | 2025 second_quarter | $480K | 2nd Quarter - Amendme… |
| NATIONAL RIFLE ASSOCIATION OF AMERICA | NATIONAL RIFLE ASSOCIATION OF AMERICA | 2025 second_quarter | $480K | 2nd Quarter - Report |
Classification
The Congressional Research Service files H.R. 631 under Crime and Law Enforcement, one of its 31 policy areas, and gives it 1 legislative subject.
CRS Subjects
CRS assigns every bill one policy area from its 31; H.R. 631’s is Crime and Law Enforcement.
hr631/policy-areas.txtLegislative Subjects
H.R. 631 carries 1 of CRS’s legislative subject: Firearms and explosives.
hr631/subjects.txtConstitutional authority
The clause the sponsor cites as Congress’s power to enact H.R. 631, as entered in the Congressional Record.
[Congressional Record Volume 171, Number 13 (Wednesday, January 22, 2025)][House]From the Congressional Record Online through the Government Publishing Office [www.gpo.gov]By Mr. PFLUGER:H.R. 631.Congress has the power to enact this legislation pursuantto the following:Article 1, Section 8[Page H300]
Source: congress.gov · legiscan.com
