7×33mm Sako
The 7×33mm Sako cartridge was created in Finland in 1942 as a small game cartridge for animals such as the Capercaillie and Black Grouse. It is based on a 9×19mm Parabellum case that has been lengthened and necked down to accept a 7.21 mm bullet. The cartridge overall length is 44.30 mm, with a case length of 33.30 mm and a base diameter of 10 mm.
7×33mm Sako
- Name
- 7×33mm Sako
- Field
- rifle cartridge
- Region
- Finland
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wikidata · Q4644242 · wikipedia · 7×33mm Sako
In this article
Overview
Overview
The bottleneck bends at 26.50 mm (diameter 9.50 mm) and straightens at 29.12 mm (diameter 7.80 mm). The Bertram company of Australia makes brass for it. Sako offers two loadings: a 78 gr FMJ, and a 78 gr soft nose. Rifles chambered in this caliber include the Sako Models L42 and L46.
Key facts
Key facts
• Name — 7×33mm Sako • Origin — Finland • Type — Rifle • Designer — Sako • Design Date — 1942 • Manufacturer — Sako • Production Date — 1942–1960s • Is Si Specs — yes • Parent — 9×19mm Parabellum • Case Type — Rimless, bottlenecked • Bullet — 7.26 • Neck — 7.9 • Shoulder — 9.5 • Rim Dia — 10 • Rim Thick — 1.27 • Case Length — 33.3 • Length — 44.4 • Rifling — 1 turn in 401.32 mm • Primer — Small rifle • Max Pressure — 40,611 psi • Is Si Ballistics — yes • Bw1 — 78 • Btype1 — JHP/FMJ • Vel1 — 732 • En1 — 1353 • Test Barrel Length — 24 in • Balsrc — Ammo Encyclopedia, 2nd Edition, Page 395, Michael Brussard
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- Finland
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The biographical narrative on this page is based on the Wikipedia article 7×33mm Sako, revision 1302857421 (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.
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Broader subject
1- rifle cartridgeTerminology
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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 17 August 2026.
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