H1650 • 2025

An Act to stop mass shootings

Firearms

Active

The official status still shows this bill as active or still awaiting another formal step.

Sponsor: Decker, Marjorie C.
Last action: 2026-03-26
Official status: Accompanied a study order, see H5281 (under House Rule 27)
Effective date: Not listed

Plain English Breakdown

Using official source text because the generated explanation was unavailable or could not be confirmed against the official bill text.

An Act to stop mass shootings

An Act to stop mass shootings By Representatives Decker of Cambridge and Moran of Lawrence, a petition (accompanied by bill, House, No.

What This Bill Does

An Act to stop mass shootings By Representatives Decker of Cambridge and Moran of Lawrence, a petition (accompanied by bill, House, No.
1650) of Marjorie C.
Decker for legislation to further regulate the manufacturing of assault weapons and large capacity feeding devices.
The Judiciary.

Limits and Unknowns

This entry is temporarily using official source text because the generated explanation could not be confirmed against the official bill text during the last sync.

Bill History

2026-03-26 House
Accompanied a study order, see H5281 (under House Rule 27)
2025-10-20 Joint
Hearing scheduled for 05/06/2025 from 01:00 PM-04:00 PM in A-2
2025-04-29 Joint
Hearing scheduled for 05/06/2025 from 01:00 PM-05:00 PM in A-2
2025-02-27 House
Referred to the committee on The Judiciary
2025-02-27 Senate
Senate concurred
House
Reported by committee to Clerk’s Office for processing, will accompany a study order

Official Summary Text

An Act to stop mass shootings
By Representatives Decker of Cambridge and Moran of Lawrence, a petition (accompanied by bill, House, No. 1650) of Marjorie C. Decker for legislation to further regulate the manufacturing of assault weapons and large capacity feeding devices. The Judiciary.

Current Bill Text

Read the full stored bill text

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Bill H.1650

Chapter 269 of the General Laws is hereby amended by adding the following section:--

Section 20. No person shall, within the commonwealth, manufacture or cause to be manufactured, partially or completely, any assault weapon or large capacity feeding device as defined in section 121 of chapter 140 of the General Laws. This prohibition shall not apply to weapons or devices manufactured by a licensed manufacturer solely for the purpose of the lawful sale to an authorized law enforcement or military agency of the commonwealth, any other state, the United States, or a foreign government approved by the United States State Department.

Whoever violates this section shall be punished by a fine of not less than $1,000 nor more than $1,000,000 or by imprisonment for not less than one year nor more than ten years, or by both such fine and imprisonment.

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