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

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- Name
- 4.25mm Liliput
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- pistol cartridge
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Documentary summary
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.
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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.
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.
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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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