10.3 x 60 R Swiss

Reloading data for 10.3 x 60 R Swiss cartridges and specifications for cases and loads in this caliber.
Product number: CID_1295
Load data for caliber "10.3 x 60 R Swiss"
The 10.3x60R Swiss cartridge, also known as the GP90 cartridge, is a centerfire rifle cartridge developed by Switzerland in the late 1800s for use in their military service rifles. The cartridge features a bottlenecked case with a bullet diameter of 10.4mm and an overall case length of 60mm.

The 10.3x60R Swiss cartridge was designed to be used in the Schmidt-Rubin Model 1889 rifle and subsequent models, which were used by the Swiss military until the 1950s. The cartridge fires a relatively heavy, 11.7-gram (181-grain) round-nosed bullet at a muzzle velocity of approximately 620 meters per second (2,034 feet per second).

While the 10.3x60R Swiss cartridge has been largely replaced by more modern cartridges in military and law enforcement use, it remains popular among collectors and enthusiasts of historic firearms. It is also used by some hunters for hunting medium-sized game at short to medium ranges.


You find 10.3 x 60 R Swiss with all common powders and bullets by clicking the 'Loads in this caliber' button above.

Technical Specifications (based on the respective safety standard - see more details in tab 'Datasheet' if available)

Caliber: 10.3 x 60 R Swiss
Cartridge Type: Rimmed
Bullet Diameter: 0.413 '' | 10.49 mm
Max. Case Length (l3): 2.39'' | 60.76 mm
Max .Cartridge Length / OAL: 3.11'' | 78.89 mm
Maximum Standardized Pressure: 39160.8 psi | 2700 bar
C.I.P.
The Commission internationale permanente pour l'épreuve des armes à feu portatives ("Permanent International Commission for the Proof of Small Arms" – commonly abbreviated as C.I.P.) is an international organisation which sets standards for safety testing of firearms. (The word portatives ("portable") in the name refers to the fact the C.I.P. tests small arms almost exclusively; it is ordinarily omitted from the English translation of the name.) As of 2015, its members are the national governments of 14 countries, of which 11 are European Union member states. The C.I.P. safeguards that all firearms and ammunition sold to civilian purchasers in member states are safe for the users.
To achieve this, all such firearms are first proof tested at C.I.P. accredited Proof Houses. The same applies for cartridges; at regular intervals, cartridges are tested against the C.I.P. pressure specifications at the ammunition manufacturing plants and at C.I.P. accredited Proof Houses.
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