S. 1374: BUMP Act · Congress Swing Tracker

S. 1374119th CongressCrime and Law Enforcement

BUMP Act

Sponsored by Sen. Martin Heinrich (D-NM) · 30 active : 1 Republican, 27 Democrats, 2 Independents

Latest action: Read twice and referred to the Committee on the Judiciary.

Read the summary

Where it standsBefore the Senate

Hasn’t passed either chamber

Senate: next
House: not yet
President: not yet

3 senators score as swing votes

Summary

, via Congress.gov

Summary on Congress.gov

Banning Unlawful Machinegun Parts Act or the BUMP Act

This bill generally prohibits the import, sale, manufacture, transfer, receipt, or possession of

a device that is primarily designed, or redesigned, to increase the rate of fire when attached to a semiautomatic firearm;

a device, part, or combination of parts that is designed and functions to increase the rate of fire of a firearm; or

a semiautomatic firearm that has been modified to materially increase the rate of fire or to approximate the action or rate of fire of a machine gun.

Read full summary

Additionally, the bill adds to the list of firearms subject to regulation under the National Firearms Act semiautomatic firearms that have been modified to materially increase the rate of fire or approximate the action or rate of fire of a machine gun.

Committees and subjects

Committees

Senate Committee on the Judiciary · SenateReferred to

Subjects

No legislative subjects recorded yet. Similar-vote matching falls back to the policy area.

Senate · 100 House · 433

Model

v3defaultv2

Directional: count only breaks toward the other party Why do scores change?

How the House breaks down

45Swing 70–100
206Middle 30–70
180Entrenched 0–30
2Insufficient data not ranked

Members fall into . 2 representatives don’t have enough data yet and are marked “insufficient data”. Non-voting delegates are not counted. The bill is not before the House right now; these scores show where members would stand.

Key players in the House

Ranked by swing score, 0–100 · swing-v2, directional

: only movement toward the other party counts, so members who sit further from the center than their party no longer score as swing votes.

Bars show each input from 0 to 100: ideology gap, scorecard gap, . is the seat’s partisan lean, and shows how much of the input data a score has.

Similar past votes, House

Earlier behind swing-v3’s input

Similar votes count toward swing-v3 in the House: total similarity weight 24.0 (needs 5.0).

H.R. 9576 · Sep 16, 2026 · Roll call 669On PassageNational Fraud Enforcement Division Act
PassedSame policy area×0.5
H.R. 5625 · May 14, 2026 · Roll call 531On PassageCashless Bail Reporting Act
PassedSame policy area×0.5
H.R. 6260 · May 14, 2026 · Roll call 529On PassageKeeping Violent Offenders Off Our Streets Act
PassedSame policy area×0.5
H.Con.Res. 96 · May 13, 2026 · Roll call 525On Agreeing to the ResolutionExpressing support for law enforcement officers
PassedSame policy area×0.5
H.R. 2853 · May 12, 2026 · Roll call 517On Motion to Suspend the Rules and Pass, as AmendedCombating Organized Retail Crime Act
PassedSame policy area×0.5
H.R. 2189 · Feb 12, 2026 · Roll call 430On PassageLaw-Enforcement Innovate to De-Escalate Act
PassedSame policy area×0.5
H.R. 3492 · Dec 17, 2025 · Roll call 350On PassageProtect Children’s Innocence Act
PassedSame policy area×0.5
H.R. 4371 · Dec 16, 2025 · Roll call 339On PassageKayla Hamilton Act
PassedSame policy area×0.5

Show 17 more

H.R. 5107 · Nov 19, 2025 · Roll call 298On PassageCLEAN DC Act
PassedSame policy area×0.5
H.R. 5214 · Nov 19, 2025 · Roll call 297On PassageDistrict of Columbia Cash Bail Reform Act
PassedSame policy area×0.5
H.R. 5143 · Sep 17, 2025 · Roll call 274On PassageDistrict of Columbia Policing Protection Act
PassedSame policy area×0.5
H.R. 5140 · Sep 16, 2025 · Roll call 270On PassageTo lower the age at which a minor may be tried as an adult for certain criminal offenses in the District of Columbia to 14 years of age

Cosponsors

30 active

Show all 30 cosponsors

How the swing score works

Ideology gapHow far a member’s DW-NOMINATE voting score sits from their party’s median in the same chamber.

Scorecard gapHow far their Heritage Action and LCV ratings stray from their party’s average, using the groups’ votes on similar bills where available.

Cross-pressureHow strongly their district or state leans toward the other party, from our own computed partisan lean.

Similar votesHow often they voted against their own party on earlier roll calls about this bill or similar ones.

Committee bonusMembers of the committees handling the bill decide whether it moves, so they get a boost.

Cosponsor checkThe sponsor and active cosponsors have already committed, so they drop toward entrenched.

Show the other 35 swing representatives

11
Donald G. DavisDemocrat · North Carolina 1st · Lean R+1On the ballot
Ideology gap
Scorecard gap
Cross-pressure
84Swing
ContactCall 202-225-3101 Website
12
Susie LeeDemocrat · Nevada 3rd · Lean D+1On the ballot
Ideology gap
Scorecard gap
Cross-pressure
83Swing
ContactCall 202-225-3252 Website
13
Laura GillenDemocrat · New York 4th · Lean D+2On the ballot
Ideology gap
Scorecard gap
Cross-pressure
83Swing
ContactCall 202-225-5516 Website
14
Adam GrayDemocrat · California 13th · Lean R+1On the ballot
Ideology gap
Scorecard gap
Cross-pressure
83Swing
ContactCall 202-225-1947 Website
15
Jennifer A. KiggansRepublican · Virginia 2nd · Lean EVENOn the ballot
Ideology gap
Scorecard gap
Cross-pressure
83Swing
ContactCall 202-225-4215 Website
16
Kevin KileyIndependent · California 3rd · Lean R+2On the ballot
Ideology gap
Scorecard gap
Cross-pressure
82Swing
ContactCall 202-225-2523 Website
17
Nick LaLotaRepublican · New York 1st · Lean R+4On the ballot
Ideology gap
Scorecard gap
Cross-pressure
82Swing
ContactCall 202-225-3826 Website
18
Robert P. BresnahanRepublican · Pennsylvania 8th · Lean R+4On the ballot
Ideology gap
Scorecard gap
Cross-pressure
81Swing
ContactCall 202-225-5546 Website
19
Michael R. TurnerRepublican · Ohio 10th · Lean R+3On the ballot
Ideology gap
Scorecard gap
Cross-pressure
81Swing
ContactCall 202-225-6465 Website
20
Chris PappasDemocrat · New Hampshire 1st · Lean D+2On the ballot
Ideology gap
Scorecard gap
Cross-pressure
81Swing
ContactCall 202-225-5456 Website
21
Zachary NunnRepublican · Iowa 3rd · Lean R+2On the ballot
Ideology gap
Scorecard gap
Cross-pressure
81Swing
ContactCall 202-225-5476 Website
22
Jared MoskowitzDemocrat · Florida 23rd · Lean D+2On the ballot
Ideology gap
Scorecard gap
Cross-pressure
81Swing
ContactCall 202-225-3001 Website
23
Ryan MackenzieRepublican · Pennsylvania 7th · Lean R+1On the ballot
Ideology gap
Scorecard gap
Cross-pressure
80Swing
ContactCall 202-225-6411 Website
24
Maggie GoodlanderDemocrat · New Hampshire 2nd · Lean D+2On the ballot
Ideology gap
Scorecard gap
Cross-pressure
80Swing
ContactCall 202-225-5206 Website
25
Derek TranDemocrat · California 45th · Lean D+1On the ballot
Ideology gap
Scorecard gap
Cross-pressure
80Swing
ContactCall 202-225-2415 Website
26
Andrew R. GarbarinoRepublican · New York 2nd · Lean R+6On the ballot
Ideology gap
Scorecard gap
Cross-pressure
79Swing
ContactCall 202-225-7896 Website
27
Eugene Simon VindmanDemocrat · Virginia 7th · Lean D+2On the ballot
Ideology gap
Scorecard gap
Cross-pressure
77Swing
ContactCall 202-225-2815 Website
28
Kristen McDonald RivetDemocrat · Michigan 8th · Lean R+1On the ballot
Ideology gap
Scorecard gap
Cross-pressure
77Swing
ContactCall 202-225-3611 Website
29
Marcy KapturDemocrat · Ohio 9th · Lean R+3On the ballot
Ideology gap
Scorecard gap
Cross-pressure
77Swing
ContactCall 202-225-4146 Website
30
Gabe EvansRepublican · Colorado 8th · Lean EVENOn the ballot
Ideology gap
Scorecard gap
Cross-pressure
77Swing
ContactCall 202-225-5625 Website
31
Raul RuizDemocrat · California 25th · Lean D+3On the ballot
Ideology gap
Scorecard gap
Cross-pressure
77Swing
ContactCall 202-225-5330 Website
32
Jeff HurdRepublican · Colorado 3rd · Lean R+5On the ballot
Ideology gap
Scorecard gap
Cross-pressure
76Swing
ContactCall 202-225-4676 Website
33
Maria Elvira SalazarRepublican · Florida 27th · Lean R+6On the ballot
Ideology gap
Scorecard gap
Cross-pressure
76Swing
ContactCall 202-225-3931 Website
34
Jim CostaDemocrat · California 21st · Lean D+4On the ballot
Ideology gap
Scorecard gap
Cross-pressure
76Swing
ContactCall 202-225-3341 Website
35
David P. JoyceRepublican · Ohio 14th · Lean R+9On the ballot
Ideology gap
Scorecard gap
Cross-pressure
74Swing
ContactCall 202-225-5731 Website
36
Young KimRepublican · California 40th · Lean R+1On the ballot
Ideology gap
Scorecard gap
Cross-pressure
74Swing
ContactCall 202-225-4111 Website
37
Kim SchrierDemocrat · Washington 8th · Lean D+3On the ballot
Ideology gap
Scorecard gap
Cross-pressure
74Swing
ContactCall 202-225-7761 Website
38
Mike CareyRepublican · Ohio 15th · Lean R+4On the ballot
Ideology gap
Scorecard gap
Cross-pressure
74Swing
ContactCall 202-225-2015 Website
39
Derrick Van OrdenRepublican · Wisconsin 3rd · Lean R+3On the ballot
Ideology gap
Scorecard gap
Cross-pressure
74Swing
ContactCall 202-225-5506 Website
40
Ken CalvertRepublican · California 41st · Lean R+2On the ballot
Ideology gap
Scorecard gap
Cross-pressure
73Swing
ContactCall 202-225-1986 Website
41
Max L. MillerRepublican · Ohio 7th · Lean R+5On the ballot
Ideology gap
Scorecard gap
Cross-pressure
73Swing
ContactCall 202-225-3876 Website
42
Suhas SubramanyamDemocrat · Virginia 10th · Lean D+6On the ballot
Ideology gap
Scorecard gap
Cross-pressure
71Swing
ContactCall 202-225-5136 Website
43
Gabe VasquezDemocrat · New Mexico 2nd · Lean EVENOn the ballot
Ideology gap
Scorecard gap
Cross-pressure
71Swing
ContactCall 202-225-2365 Website
44
Vicente GonzalezDemocrat · Texas 34th · Lean EVENOn the ballot
Ideology gap
Scorecard gap
Cross-pressure
71Swing
ContactCall 202-225-2531 Website
45
Josh RileyDemocrat · New York 19th · Lean D+1On the ballot
Ideology gap
Scorecard gap
Cross-pressure
71Swing
ContactCall 202-225-5441 Website