11mm French Ordnance

The 11mm French Ordnance is a rimmed black powder cartridge intended for the 11 mm MAS 1873-1874 revolver in service with the French Army.^[1] The velocity and power of the first variant, equivalent to the .25 ACP at just 74 ft/lbs of energy, was weak even for its time. The second variant, 1873–1890, corresponded in power to the .32 ACP with 140 ft/lbs of energy.

11mm French Ordnance
Type	Revolver
Service history
In service	1873–1892
Used by	French Army
Specifications
Case type	Rimmed, straight
Bullet diameter	11.46 mm (0.451 in)
Base diameter	11.45 mm (0.451 in)
Rim diameter	12.5 mm (0.49 in)
Rim thickness	1.4 mm
Case length	17 mm (0.67 in)
Overall length	30 mm (1.2 in)
Ballistic performance
Bullet mass/type Velocity Energy 11.7 g (181 gr) Model 1873 0.65 g powder charge 130 m/s (430 ft/s) 98.1 J (72.4 ft⋅lbf) 10.6 g (164 gr) Model 1873/90 0.80 g powder charge 190 m/s (620 ft/s) 196.2 J (144.7 ft⋅lbf) 0.4 g (6 gr) paper dummy bullet Model 1890/1900 blank 1.10 g powder charge 0 m/s (0 ft/s) 0 J (0 ft⋅lbf)
Test barrel length: 114 mm