# Maryland HB 0577: Criminal Law - Firearm Crimes - Machine Gun Convertible Pistols

Maryland HB 0577, Criminal Law - Firearm Crimes - Machine Gun Convertible Pistols, is a 2026 Regular Session House bill sponsored by Nicole A. Williams (Democratic); status failed, last action 2026-04-10 (Rereferred to Judicial Proceedings) (as of 2026-10-17).

- Canonical: https://policyrisk.com/state-bill/MD-HB0577-2026RS
- As of: 2026-10-17
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Maryland HB 0577
- State: Maryland
- Session: 2026 Regular Session
- Title: Criminal Law - Firearm Crimes - Machine Gun Convertible Pistols
- Status: failed
- Chamber: House
- Introduced: 2026-01-28
- Last action: 2026-04-10, Rereferred to Judicial Proceedings
- Sponsor: Nicole A. Williams (Democratic)
- Cosponsors: 13
- Subjects: Criminal Law - Substantive Crimes, Crimes and Punishments -see also- Penalties and Sentnc; etc., Dealers -see also- Motor Vehicle Dealers and Salespeople, Equipment -see also- Charging; Med. Equip.; MV Equip; etc., Estates and Trusts -see also- Beneficiaries, Guns, Industry and Manufacturing, Kinship -see also- Parents and Guardians, Law Enforcement -see also- SRO; Sheriffs; State Police, Penalties and Sentences -see also- Death Penalty, Retail Sales, Rules and Regulations, State Police, Department of, Transfer of Goods -see also- Goods&Svc; Leas&Rnt; RetailSale
- Touches household money: no
- Roll calls: 3 (177 yes, 222 no in all)
- Economic provisions PRIA read: 0

## Summary

No summary available.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Nicole A. Williams (Democratic), House
- Cosponsor: Derrick Coley (Democratic), House
- Cosponsor: Elizabeth Embry (Democratic), House
- Cosponsor: Julian Ivey (Democratic), House
- Cosponsor: Lesley J. Lopez (Democratic), House
- Cosponsor: Gabriel M. Moreno (Democratic), House
- Cosponsor: Cheryl E. Pasteur (Democratic), House
- Cosponsor: N. Scott Phillips (Democratic), House
- Cosponsor: Malcolm P. Ruff (Democratic), House
- Cosponsor: Gary Simmons (Democratic), House
- Cosponsor: Karen Simpson (Democratic), House
- Cosponsor: Kym Taylor (Democratic), House
- Cosponsor: Karen Toles (Democratic), House
- Cosponsor: Caylin Young (Democratic), House

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2026-04-08 | House | Third Reading Passed | pass | 92 | 39 | 7 |
| 2026-04-07 | House | Floor Amendment {453128/1 (Delegate Pippy) Rejected | fail | 40 | 95 | 3 |
| 2026-04-07 | House | Floor Amendment {863721/1 (Delegate Schmidt) Rejected | fail | 45 | 88 | 5 |

## Actions (11)

- 2026-04-10: Rereferred to Judicial Proceedings (Senate)
- 2026-04-08: Referred Rules (Senate)
- 2026-04-08: Third Reading Passed (92-39) (House)
- 2026-04-07: Second Reading Passed with Amendments (House)
- 2026-04-07: Floor Amendment {863721/1 (Delegate Schmidt) Rejected (45-88) (House)
- 2026-04-07: Floor Amendment {453128/1 (Delegate Pippy) Rejected (40-95) (House)
- 2026-04-06: Motion Special Order until Next Session (Delegate Pippy) Adopted (House)
- 2026-04-06: Favorable with Amendments {953028/1 Adopted (House)
- 2026-04-06: Favorable with Amendments Report by Judiciary (House)
- 2026-02-02: Hearing 2/11 at 2:00 p.m. (House)
- 2026-01-28: First Reading Judiciary (House)

## Bill text

- Third Reading, 2026-04-07: [PDF](https://mgaleg.maryland.gov/2026RS/bills/hb/hb0577t.pdf)
- First Reading, 2026-01-28: [PDF](https://mgaleg.maryland.gov/2026RS/bills/hb/hb0577f.pdf)

## Related bills

- SB 0496: Maryland Medical Assistance Program - Coverage for the Treatment of Obesity - Authorization (became law)
- SB 0366: Motor Vehicles - Intelligent Speed Assistance System Pilot Program - Establishment (became law)
- SB 0244: Code Revision - Health - Maryland Medical Assistance Program (became law)
- SB 0148: Income Tax - Credit for 9-1-1 Specialist Retirement Income (Supporting Our 9-1-1 Specialists Act) (became law)
- SB 0016: Child Support - Earnings Withholdings Limits (became law)
- HB 0529: Code Revision - Health - Maryland Medical Assistance Program (became law)

## Sources
- [Third Reading (PDF)](https://mgaleg.maryland.gov/2026RS/bills/hb/hb0577t.pdf)
- [First Reading (PDF)](https://mgaleg.maryland.gov/2026RS/bills/hb/hb0577f.pdf)

## Related
- [SB 0496: Maryland Medical Assistance Program - Coverage for the Treatment of Obesity - A…](https://policyrisk.com/state-bill/MD-SB0496-2026RS)
- [SB 0366: Motor Vehicles - Intelligent Speed Assistance System Pilot Program - Establishm…](https://policyrisk.com/state-bill/MD-SB0366-2026RS)
- [SB 0244: Code Revision - Health - Maryland Medical Assistance Program](https://policyrisk.com/state-bill/MD-SB0244-2026RS)
- [SB 0148: Income Tax - Credit for 9-1-1 Specialist Retirement Income (Supporting Our 9-1-…](https://policyrisk.com/state-bill/MD-SB0148-2026RS)
- [SB 0016: Child Support - Earnings Withholdings Limits](https://policyrisk.com/state-bill/MD-SB0016-2026RS)
- [HB 0529: Code Revision - Health - Maryland Medical Assistance Program](https://policyrisk.com/state-bill/MD-HB0529-2026RS)
- [Maryland bills](https://policyrisk.com/states/maryland/bills)
- [Maryland state hub](https://policyrisk.com/states/maryland)
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Source: PRIA, https://policyrisk.com/state-bill/MD-HB0577-2026RS (as of 2026-10-17).