Steyr-Hahn M1911/12, with holster stock
Official wording
Steyr-Hahn, original Austrian, Model 1911/12, semiautomatic pistols, cal.’s 9mm Steyr or rechambered for 9mm Parabellum, with 5" barrel, possessing either the special rear sight or the standard military service sight, and equipped with an original European detachable wooden shoulder stock/holster combination of the Mauser configuration which attaches to the butt grip of the pistol by means of a brass cone containing four friction cuts and a locking lever.
What this entry requires
- ATF REQUIRESOriginal as the ATF wording requires: “original Austrian”
- ATF REQUIRESOriginal as the ATF wording requires: “and equipped with an original European detachable wooden shoulder stock/holster combination of the Mauser configuration which attaches to the butt grip of the pistol by means of a brass cone containing four friction cuts and a locking lever”
- ATF REQUIRESConfigured as the ATF wording states: “with 5" barrel”
- ATF REQUIRESConfigured as the ATF wording states: “possessing either the special rear sight or the standard military service sight”
- INFOATF states no date; production was about 1912–1918.
Editorial facts · Our research
- Country
Austria (Austria-Hungary)Basis: no citation - Manufacturer
- Österreichische Waffenfabriks-Gesellschaft, SteyrBasis: the ATF wording
- Type
- PistolBasis: the ATF wording
- Action
- Semi-autoBasis: the ATF wording
- Caliber
- 9mm Steyr, 9mm ParabellumBasis: the ATF wording
- Made
- 1912–1918production; ATF states no dateBasis: estimate ¹
- Service
- Military
Source
- Official wording
- ATF P 5300.11, April 2025 edition · Section III · PDF p. 44 ↗ · ATF original ↗
- Entries
- 1 line
- Verbatim check
- Checked against the PDF text before every release
- Editorial facts
- Confidence: Medium · Last revised 18 October 2026 (Evidence pass) · How we rate confidence
- References
- 1. Wikipedia, “Steyr M1912 pistol” ↗, years (estimate: partly supports it): adopted by the Austro-Hungarian Army in 1912; infobox production 1912–1920s. Start sourced; the 1918 end (Austria-Hungary) is our estimate.
- 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
- None
Historical context
Image: Wikimedia Commons, “Steyr-Hahn M1912.JPG” by Drake00, CC BY-SA 3.0. Retrieved October 2026.
Summary: Wikipedia, “Steyr M1912 pistol”. Text CC BY-SA 4.0.
FROM WIKIPEDIA
The Steyr M1912, also known as the Steyr-Hahn, is an Austro-Hungarian semi-automatic pistol developed by Österreichische Waffenfabriks-Gesellschaft (Œ.W.G.) and adopted by the Austro-Hungarian Army in 1912. The pistol was developed in the years preceding its adoption and became one of the principal Austro-Hungarian military pistols of World War I.