8mm French Ordnance

The 8mm/92 [8 x 27 mm R], officially designated as 8 mm Lebel by the C.I.P.,[2] is a rimmed cartridge used in the 8mm M1892 revolver and inexpensive handguns manufactured in Belgium and Spain. These are usually copies of the Modèle d'Ordonnance revolver itself or of then reputable foreign firearms (Colt Police Positive, Nagant M1895, Rast & Gasser M1898 or S&W Model 10).

8mm French Ordnance
Various loadings of the cartridge.
TypePistol
Place of originFrance
Service history
In service1892–1960s
Used byFrance
WarsWorld War I
Specifications
Case typerimmed, straight
Bullet diameter8.35 mm (0.329 in)[1]
Neck diameter8.83 mm (0.348 in)[1]
Base diameter8.96 mm (0.353 in)[1]
Rim diameter10.43 mm (0.411 in)[1]
Rim thickness1.35 mm (0.053 in)[1]
Case length27.5 mm (1.08 in)[1]
Overall length36.7 mm (1.44 in)[1]
Filling0.79 g (12.2 gr) of black powder, later 0.3 g (4.6 gr) of Poudre B
Ballistic performance
Bullet mass/type Velocity Energy
7.8 g (120 gr) 225 m/s (740 ft/s) 196 J (145 ft⋅lbf)

Its dimensions are close to those of the 8mm Gasser. Its bullet is cylindro-ogival and is of the jacketed type. Its power is comparable to that of the .32 ACP. Bullets are either .330 caliber [8.38mm] for cast lead bullets or .329 caliber [8.35mm] for full-metal-jacketed bullets. It may be reloaded with resized .32-20 cases.

Synonyms
  • 8 mm Lebel (Official C.I.P. designation)[2]
  • [8,3 x 27,5 mm R Lebel]
  • 8 mm Lebel Revolver M92
  • 8 mm Revolver réglementaire français M.1892 (Revolver réglementaire français > "Standard French Revolver")
  • 8 mm French Revolver M1892
  • 8 mm Revolver M.1892

References
  1. "8 x 27 R mm. Lebel". Municion.org. Archived from the original on 6 June 2009. Retrieved 14 April 2015.
  2. "8 mm Lebel" (PDF). C.I.P.
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