4.25mm Liliput
4.25mm Liliput is a centerfire rimless straight-sided cartridge originally produced in Austria for self-loading pocket pistols made by Erika before World War I. In 1920 the Liliput pistol was manufactured by August Menz of Suhl to use the cartridge. The cartridge became best known by the Liliput name used on German ammunition after Austria ceased production. The cartridge headspaces on the mouth of the case.
4.25mm Liliput

Martin Hüdepohl · CC BY 2.0 de
- Name
- 4.25mm Liliput
- Field
- pistol cartridge
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wikidata · Q229829 · wikipedia · 4.25mm Liliput
In this article
Overview
Overview
It was the smallest centerfire cartridge in production in the 1930s.
Key facts
Key facts
• Name — 4.25mm Liliput • Origin — Austria-Hungary • Type — Pistol • Is Si Specs — yes • Case Type — Rimless, straight • Bullet — 4.27 • Neck — 5.00 • Base — 5.00 • Rim Dia — 5.00 • Case Length — 10.27 • Length — 14.91 • Bw1 — 12 • Btype1 — FMJ • Vel1 — 810 • En1 — 17 • En3 — 31.25 J(Base on calculation) • Balsrc — "Textbook of Automatic Pistols" The 4.25mm Liliput is a centerfire rimless straight-sided cartridge originally produced in Austria for self-loading pocket pistols made by Erika before World War I. In 1920 the Liliput pistol was manufactured by August Menz of Suhl to use the cartridge. The cartridge became best known by the Liliput name used on German ammunition after Austria ceased production. The cartridge headspaces on the mouth of the case. It was the smallest centerfire cartridge in production in the 1930s.
Text attribution
Licensing
Text attribution
Part of the biographical narrative on this page reuses licensed material. Its origin, revision and licence are recorded here.
The biographical narrative on this page is based on the Wikipedia article 4.25mm Liliput, revision 1272115028 (EN edition), by its contributors. VALÉORINE has edited that text and built its own documentary record around it. The reused material is available under CC BY-SA 4.0, and this page's reuse of it is offered under the same licence. Everything else on this page — the chronology, the holdings, the evidence, the plates and the connections — is VALÉORINE's own record. Sources and licences.
Notes from the source article
Cited by Wikipedia
Notes from the source article
These works are cited by the source article, in its own numbering. They are recorded as its citations, not as sources VALÉORINE has verified.
- 1.*Wilson, R. K. Textbook of Automatic Pistols, pp.261-262. Plantersville, SC: Small Arms Technical Publishing Company, 1943.
- 2.McCollum, Ian. Menz Liliput Pocket Pistols: 4.25mm and 6.35mm. Forgotten Weapons. September 2019.
- 3.Rare Liliput Model 1927 4.25mm. Collectors Firearms.
References
Citations
References
Each reference names the institution holding it, so a reader may go to the document itself.
reference work
Secondary witnessreference work
Secondary witness
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 14 August 2026.
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