The 8mm French Ordnance (AKA: 8mm Lebel Revolver, 8mm-92) is a Center Fire cartridge with a Bullet Diameter of 0.323 in” (8.2mm) that is primarily used in Pistols. The 8mm French Ordnance originated in France in 1892. The 8mm French Ordnance also has a case length of 1.07 in” (27.18mm) and an overall length of 1.44 in” (36.58mm).
The 8mm French Ordnance is a rimmed pistol cartridge developed in France in 1892 for use in the 8mm M1892 French Revolver, or Lebel Revolver. The cartridge and Revolver were named after the French Colonel Nicolas Lebel, a member of the Commision des Armes a Repition (Commision for Repeating Arms) which also included Paul Viellie, the inventor Poudre B, a smokeless powder used in the Lebel Rifle for which modern smokeless powders are based on, now known as Pyrocellulose.
In terms of power, the 8mm French Ordnance pistol cartridge is somewhat weak when compared to other loadings even of its day, clocking in at a modest 650-700fps with just over 100 ft-lbs of energy. The cartridge itself closely resembles both the 8mm Rast-Gasser and .32-20 Winchester Cartridges, with power being on par with Rast-Gasser cartridge in both velocity and muzzle energy with a similar projectile.
The 8mm French Ordnance was originally a Black Powder cartridge and later saw loadings in the more modern Smokeless Propellants when it was used in World War I by the French Military, although the cartridge was still considered to be very weak by most standards and was largely overpowered by other cartridges of the time such as the .45 ACP developed in 1904 and 9mm Parabellum developed in 1901.
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