---
type: "Bill"
title: "Make the Montana ammunition act permanent"
description: "Make the Montana ammunition act permanent"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "HB 329"
citation: "Montana HB 329 (2025)"
classification: ["bill"]
subjects: ["Guns and Weapons", "Revenue", "Local", "Revenue", "State", "Taxation", "Taxation--Corporations", "Taxation--Individual Income", "Taxation--Property"]
status: "enacted"
primary_sponsors: ["Ed Byrne"]
version_count: 49
action_count: 55
vote_count: 12
first_action: "2025-01-11T14:24:17+00:00"
last_action: "2025-05-19T21:40:08+00:00"
source: "openstates"
source_identifier: "ocd-bill/ff9eb9e4-9a48-4b8a-93fa-5aa3aa51b46c"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC4306?open_tab=sum"
source_hash: "0072c19e09ae82f3d9f809302a54c1e8d4f76690f7f5f83c80cf8651356e57f4"
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-mt"]
---

# Montana HB 329 (2025) — Make the Montana ammunition act permanent

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **HB0329.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=284067)
2. **HB0329.002.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=306914)
3. **HB0329.002.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=306913)
4. **HB0329_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=276709)
5. **HB0329_1(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295529)
6. **HB0329_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=276986)
7. **HB0329_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=277020)
8. **HB0329_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=277087)
9. **HB0329_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=277088)
10. **HB0329_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295513)
11. **HB0329_1(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295514)
12. **HB0329_1(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295515)
13. **HB0329_1(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295516)
14. **HB0329_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=275861)
15. **HB0329_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295518)
16. **HB0329_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301043)
17. **HB0329_2(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307061)
18. **HB0329_2(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307464)
19. **HB0329_2(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307465)
20. **HB0329_2(14).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307466)
21. **HB0329_2(15).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307467)
22. **HB0329_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295521)
23. **HB0329_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295534)
24. **HB0329_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295543)
25. **HB0329_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295545)
26. **HB0329_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295546)
27. **HB0329_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295548)
28. **HB0329_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295555)
29. **HB0329_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=300536)
30. **HB0329_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295517)
31. **HB0329_3(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307544)
32. **HB0329_3(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307545)
33. **HB0329_3(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307557)
34. **HB0329_3(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307574)
35. **HB0329_3(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309937)
36. **HB0329_3(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319683)
37. **HB0329_3(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319684)
38. **HB0329_3.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307543)
39. **HB0329_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319686)
40. **HB0329_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319687)
41. **HB0329_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320019)
42. **HB0329_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320020)
43. **HB0329_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321086)
44. **HB0329_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323249)
45. **HB0329_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323250)
46. **HB0329_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323251)
47. **HB0329_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325061)
48. **HB0329_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319685)
49. **LC4306.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=274437)

## Votes

- to_table — **21–0** (pass) · lower
- Do Concur — **39–11** (pass) · upper
- be_concurred_in_as_amended — **6–2** (pass) · upper
- Do Adopt — **60–40** (pass) · lower
- do_pass_as_amended — **11–10** (pass) · lower
- Do Adopt — **46–3** (pass) · upper
- Do Concur — **34–14** (pass) · upper
- Do Pass — **52–48** (pass) · lower
- Do Adopt — **55–45** (pass) · lower
- Do Concur — **44–56** (fail) · lower
- Do Adopt — **41–9** (pass) · upper
- Do Pass — **51–48** (pass) · lower

## Sponsors

- Ed Byrne — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2025-01-11T14:24:17+00:00** (LC) Drafter Assigned
- **2025-01-23T19:05:44+00:00** (LC) Draft in Legal Review
- **2025-01-23T21:13:18+00:00** (LC) Draft in Edit
- **2025-01-24T22:34:08+00:00** (LC) Draft in Input/Proofing
- **2025-01-27T14:41:31+00:00** (LC) Draft in Final Drafter Review
- **2025-01-27T22:53:15+00:00** (LC) Draft in Assembly
- **2025-01-28T14:05:50+00:00** (LC) Draft Ready for Delivery
- **2025-01-28T19:10:50+00:00** (LC) Draft Delivered to Requester
- **2025-01-28T20:09:01+00:00** (H) Introduced
- **2025-01-28T20:11:31+00:00** (H) Fiscal Note Requested
- **2025-01-29T18:09:17+00:00** (H) Referred to Committee - (H) Taxation `referral-committee`
- **2025-01-29T19:52:15+00:00** (H) First Reading `reading-1`
- **2025-01-31T19:28:23+00:00** (H) Hearing Canceled - (H) Taxation
- **2025-01-31T20:21:17+00:00** (H) Hearing - (H) Taxation
- **2025-02-03T15:46:23+00:00** (H) Fiscal Note Received `receipt`
- **2025-02-03T22:42:00+00:00** (H) Fiscal Note Signed
- **2025-02-05T15:56:15+00:00** (H) Fiscal Note Printed
- **2025-02-12T18:12:29+00:00** (H) Tabled in Committee - (H) Taxation `amendment-deferral`
- **2025-02-20T18:05:04+00:00** (H) Hearing Canceled - (H) Taxation
- **2025-03-19T15:54:35+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) Taxation `committee-passage`
- **2025-03-19T19:36:00+00:00** (H) Committee Report--Bill Passed as Amended - (H) Taxation `committee-passage`
- **2025-03-27T19:55:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-03-28T19:24:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2025-03-28T22:02:45+00:00** (H) Transmitted to Senate
- **2025-03-31T16:57:14+00:00** (S) Referred to Committee - (S) Taxation `referral-committee`
- **2025-03-31T19:27:49+00:00** (S) First Reading `reading-1`
- **2025-04-04T13:56:59+00:00** (S) Hearing - (S) Taxation
- **2025-04-09T15:54:17+00:00** (S) Committee Executive Action--Bill Concurred as Amended - (S) Taxation
- **2025-04-09T20:17:00+00:00** (S) Committee Report--Bill Concurred as Amended - (S) Taxation
- **2025-04-12T15:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-12T15:32:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-14T17:53:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2025-04-14T19:39:31+00:00** (S) Returned to House with Amendments
- **2025-04-17T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-17T20:39:00+00:00** (H) 2nd Reading Senate Amendments Not Concurred `reading-2`
- **2025-04-22T18:14:44+00:00** (H) Conference Committee Appointed
- **2025-04-25T00:17:20+00:00** (H) Hearing Canceled - Conference Committee on HB 329
- **2025-04-25T00:56:37+00:00** (S) Conference Committee Appointed
- **2025-04-25T14:53:45+00:00** (H) Hearing - Conference Committee on HB 329
- **2025-04-28T19:49:17+00:00** (H) Conference Committee Report Received `receipt`
- **2025-04-29T16:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-29T17:41:00+00:00** (S) 2nd Reading Conference Committee Report Adopted `reading-2, reading-2`
- **2025-04-29T19:30:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-29T20:41:00+00:00** (H) 2nd Reading Conference Committee Report Adopted `reading-2, reading-2`
- **2025-04-30T15:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-04-30T16:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-30T17:12:00+00:00** (H) 3rd Reading Conference Committee Report Adopted `reading-3`
- **2025-04-30T19:47:00+00:00** (S) 3rd Reading Conference Committee Report Adopted `reading-3`
- **2025-04-30T20:18:46+00:00** (H) Sent to Enrolling
- **2025-05-02T15:04:39+00:00** (H) Returned from Enrolling
- **2025-05-05T18:30:46+00:00** (H) Signed by Speaker `passage`
- **2025-05-06T20:00:00+00:00** (S) Signed by President `passage`
- **2025-05-07T15:03:52+00:00** (H) Transmitted to Governor `executive-receipt`
- **2025-05-13T18:34:00+00:00** (H) Signed by Governor `executive-signature`
- **2025-05-19T21:40:08+00:00** Chapter Number Assigned `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/ff9eb9e4-9a48-4b8a-93fa-5aa3aa51b46c`. Confidence: reported (aggregated from official Montana legislature records).