C&R · IV · 009
Austen Mk I & Mk II
Section IV: still an NFA firearm, also a curio or relic
Official wording
ATF P 5300.11 · APRIL 2025 EDITION · SECTION IV · VERBATIM · PDF P. 82 ↗
Australian, AUSTEN MK I and MK II, submachineguns, cal. 9mm, mfd. in Australia prior to 1946.
What this entry requires
- ATF REQUIRESMade or imported as stated: “mfd. in Australia prior to 1946”
- ATF REQUIRESMade 1945 or earlier (ATF’s dates)ATF: “prior to 1946”
- INFOStill an NFA firearm; only registered examples transfer, with ATF approval (26 U.S.C. 5812, 5861).
Editorial facts · Our research
- Country
AustraliaBasis: the ATF wording - Manufacturer
- Diecasters Ltd; W.T. Carmichael LtdBasis: outside reference ¹
- Type
- SMGBasis: the ATF wording
- Action
- Select-fire / autoBasis: the ATF wording
- Caliber
- 9mm ParabellumBasis: the ATF wording
- Made
- 1942–1944ATF: made in 1945 or earlier; start year approximateBasis: outside reference ²
- Service
- Military
Source
- Official wording
- ATF P 5300.11, April 2025 edition · Section IV · PDF p. 82 ↗ · ATF original ↗
- Entries
- 1 line
- Verbatim check
- Checked against the PDF text before every release
- Editorial facts
- Confidence: High · Last revised 18 October 2026 (Evidence pass) · How we rate confidence
- References
- 1. Wikipedia, “Austen submachine gun” ↗, maker: '19,914 Austens were produced during the war by Diecasters Ltd of Melbourne and W. T. Carmichael Ltd of Sydney'.
- 2. Wikipedia, “Austen submachine gun” ↗, years: infobox production date 1942–1944 (Mk II: 200 made by the end of 1942); within ATF 'prior to 1946'.
- Fact tags
- ATF the ATF wording states it.
- REF ¹ an outside reference supports it; the number points to the list of references.
- ESTIMATE an approximate or indirect reading, for example the production range of the base model.
- NO CITATION we haven’t attached a reference for this fact; it’s our editorial reading, not ATF’s.
- Source checked
- 20 October 2026: ATF’s page still lists the April 2025 edition
- Corrections
- 1 change · see below
Correction history
- Evidence passYears: 1942–1945 → 1942–1944. Wikipedia (Austen submachine gun) gives production 1942–1944
Historical context
Image: Wikimedia Commons, “Austen submachine gun.jpg” by M11rtinb, CC BY-SA 3.0. Retrieved October 2026.
Summary: Wikipedia, “Austen submachine gun”. Text CC BY-SA 4.0.
FROM WIKIPEDIA
The Austen is a 9×19mm Australian submachine gun derived from the British Sten gun developed during the Second World War. In total 19,914 Austens were produced during the war by Diecasters Ltd of Melbourne and W. T. Carmichael Ltd of Sydney.