6.45×48mm XPL Swiss
6.45×48mm XPL Swiss (or 6.45×48 GP 80) is an experimental intermediate rifle cartridge.
Also recorded as 6.45x48 GP 80
6.45×48mm XPL Swiss
- Name
- 6.45x48mm XPL Swiss
- Field
- intermediate cartridge
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Documentary summary
6.45×48mm XPL Swiss (or 6.45×48 GP 80) is an experimental intermediate rifle cartridge.
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wikidata · Q4641585 · wikipedia · 6.45×48mm XPL Swiss
In this article
Key facts
Key facts
• Name — 6.45x48mm XPL Swiss • Origin — Switzerland • Type — Rifle • Designer — Swiss Army • Design Date — 1979-1980 • Is Si Specs — yes • Parent — 7.62×51mm NATO • Case Type — Rimless, bottleneck • Bullet — 6.65 • Neck — 7.56 • Shoulder — 10.95 • Base — 11.82 • Rim Dia — 11.81 • Rim Thick — 1.55 • Case Length — 47.72 • Length — 65.06 • Is Si Ballistics — yes • Bwunit — gram • Bw1 — 6.3 • Vel1 — 900 • En1 — 2550 • Balsrc — quarryhs.co.uk 6.45×48mm XPL Swiss (or 6.45×48 GP 80) is an experimental intermediate rifle cartridge.
Development
Development
It was developed as part of the WEIZE trials (Weiche Ziele, lit. "soft target") in conjunction with the SIG SG 550 rifle, as a potential successor to the 7.5×55mm Schmidt–Rubin cartridge.
Production
Production
The cartridge was not adopted, the SIG SG-550 went into production with the 5.6×45mm GP 90 round.
Description
The rimless cartridge has a base diameter of 11.82 mm (similar to the 7.62×51mm NATO) and a case length of 47.72 mm. The bullet is an unusual 6.65 mm diameter (6.45mm refers to the bore diameter), fractionally smaller than the common 6.5 mm (bore diameter) bullet. The 6.3 g bullet was fired at a muzzle velocity of 900 m/s with 2,550 J of muzzle energy.
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References
Citations
References
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Further particulars
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The identifiers under which 6.45×48mm XPL Swiss may be traced in institutional catalogues. Connected to 1 other published record in the VALÉORINE Encyclopedia.
Within the Encyclopedia
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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