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---
type: "Bill"
title: "AN ACT TO AMEND TITLE 11 OF THE DELAWARE CODE RELATING TO DESTRUCTIVE WEAPONS."
description: "This bill makes it a crime to sell, transfer, buy, receive or possess a trigger crank or bump-fire device designed to accelerate the rate of fire of a semiautomatic rifle, making such weapon function more like an automatic weapon. A bump stock was used by the gunman in Las Vegas in October 2017. Violation of this provision is a Class E felony."
jurisdiction: "us/states/de"
legislature: "Delaware General Assembly"
session: "149"
identifier: "HB 300"
citation: "Delaware HB 300 (149)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Bryan Townsend", "Charles Potter Jr.", "Debra Heffernan", "Harris B. McDowell", "Paul S. Baumbach", "Valerie Longhurst"]
version_count: 1
action_count: 31
vote_count: 5
first_action: "2017-12-14"
last_action: "2018-06-14"
source: "openstates"
source_identifier: "ocd-bill/080f9bc8-ee23-42cd-b908-e6a9c02a70b0"
source_url: "https://legis.delaware.gov/BillDetail?LegislationId=26218"
source_hash: "4be6042352e4f7a192ad0915dbeb7bb0c20a8e8eec9184c6814bd10f50ae9a7a"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-de"]
---
# Delaware HB 300 (149) — AN ACT TO AMEND TITLE 11 OF THE DELAWARE CODE RELATING TO DESTRUCTIVE WEAPONS.
This bill makes it a crime to sell, transfer, buy, receive or possess a trigger crank or bump-fire device designed to accelerate the rate of fire of a semiautomatic rifle, making such weapon function more like an automatic weapon. A bump stock was used by the gunman in Las Vegas in October 2017. Violation of this provision is a Class E felony.
## Version chain
The bill's text revisions, in order — the diff chain from filing to enrollment.
1. **Bill Text** (committee substitute) — [source](https://legis.delaware.gov/json/BillDetail/GenerateHtmlDocument?legislationId=26218&legislationTypeId=1&docTypeId=2&legislationName=HB300)
## Votes
- SM — **374** (pass) · lower
- SM — **181** (pass) · upper
- SM — **362** (pass) · lower
- SM — **253** (pass) · lower
- SM — **210** (pass) · upper
## Sponsors
- Bryan Townsend — primary (person)
- Charles Potter Jr. — primary (person)
- Debra Heffernan — primary (person)
- Harris B. McDowell — primary (person)
- Paul S. Baumbach — primary (person)
- Valerie Longhurst — primary (person)
- Catherine Cloutier — cosponsor (person)
- David Bentz — cosponsor (person)
- David P. Sokola — cosponsor (person)
- Earl G. Jaques Jr. — cosponsor (person)
- Edward S. Osienski — cosponsor (person)
- Ernesto B Lopez — cosponsor (person)
- Gerald L. Brady — cosponsor (person)
- Gregory F. Lavelle — cosponsor (person)
- Helene M. Keeley — cosponsor (person)
- James Johnson — cosponsor (person)
- John A. Kowalko — cosponsor (person)
- John L. Mitchell — cosponsor (person)
- Margaret Rose Henry — cosponsor (person)
- Peter C. Schwartzkopf — cosponsor (person)
- Sean Matthews — cosponsor (person)
## Timeline
The legislative action history — every referral, reading, and vote.
- **2017-12-14** Introduced and Assigned to House Administration Committee in House `introduction, referral-committee`
- **2018-01-23** Amendment HA 1 to HB 300 - Introduced and Placed With Bill `amendment-introduction`
- **2018-05-01** Passed By House. Votes: 37 YES 4 NO `passage`
- **2018-01-24** Reported Out of Committee (House Administration) in House with 2 Favorable, 1 On Its Merits `committee-passage-favorable, committee-passage`
- **2018-03-08** Amendment HA 2 to HB 300 - Introduced and Placed With Bill `amendment-introduction`
- **2018-03-08** Amendment HA 1 to HA 1 - Passed In House by Voice Vote `amendment-passage`
- **2018-03-08** Amendment HA 1 to HB 300 - Passed In House by Voice Vote `amendment-passage`
- **2018-03-08** Amendment HA 2 to HB 300 - Stricken in House
- **2018-03-08** Passed By House. Votes: 25 YES 3 NO 11 NOT VOTING 2 ABSENT `passage`
- **2018-03-09** Assigned to Judicial & Community Affairs Committee in Senate `introduction, referral-committee`
- **2018-03-14** Reported Out of Committee (Judicial & Community Affairs) in Senate with 4 On Its Merits `committee-passage`
- **2018-03-15** Amendment SA 1 to HB 300 - Defeated By Senate. Votes: 10 YES 9 NO 1 NOT VOTING 1 ABSENT `amendment-failure`
- **2018-03-15** Amendment SA 2 to HB 300 - Passed By Senate. Votes: 20 YES 1 ABSENT `amendment-passage`
- **2018-03-15** Amendment SA 3 to HB 300 - Defeated By Senate. Votes: 9 YES 11 NO 1 ABSENT `amendment-failure`
- **2018-03-15** Amendment SA 4 to HB 300 - Passed By Senate. Votes: 19 YES 2 ABSENT `amendment-passage`
- **2018-03-15** Passed By Senate. Votes: 18 YES 1 NO 2 ABSENT `passage`
- **2018-03-27** Amendment HA 3 to HB 300 - Introduced and Placed With Bill `amendment-introduction`
- **2018-04-30** Amendment HA 4 to HB 300 - Introduced and Placed With Bill `amendment-introduction`
- **2018-05-01** Amendment HA 3 to HB 300 - Stricken in House
- **2018-05-01** Amendment HA 4 to HB 300 - Passed In House by Voice Vote `amendment-passage`
- **2018-05-01** Amendment HA 5 to HB 300 - Introduced and Placed With Bill `amendment-introduction`
- **2018-05-01** Amendment HA 1 to HA 5 to HB 300 - Introduced and Placed With Bill `amendment-introduction`
- **2018-05-01** Amendment HA 1 to HA 5 - Passed In House by Voice Vote `amendment-passage`
- **2018-05-01** Amendment HA 5 to HB 300 - Passed In House by Voice Vote `amendment-passage`
- **2018-05-01** Passed By House. Votes: 37 YES 4 NO `passage`
- **2018-06-05** Laid On Table in Senate
- **2018-06-05** Lifted From Table in Senate
- **2018-06-05** Amendment SA 5 to HB 300 - Passed By Senate. Votes: 19 YES 2 NO `amendment-passage`
- **2018-06-05** Passed By Senate. Votes: 21 YES `passage`
- **2018-06-14** Passed By House. Votes: 36 YES 2 NO 1 NOT VOTING 2 ABSENT `passage`
- **2018-06-14** Signed by Governor `executive-signature`
## Source
OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/080f9bc8-ee23-42cd-b908-e6a9c02a70b0`. Confidence: reported (aggregated from official Delaware legislature records).