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12 mm Lefaucheux
Black powder revolver cartridge From Wikipedia, the free encyclopedia
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The 12mm Lefaucheux is a metallic center-fire cartridge. It was originally created as a rimless pinfire cartridge using black powder employed by the French navy on the Lefaucheux M1858 revolver. Later it was adapted to a center-fire cartridge by the French Army in 1873 for use on the MAS 1873 revolver.
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Overview
Originally, the 12 mm, was a classic Lefaucheux cartridge, with a side pin from its introduction in 1858 until 1873, when it was adapted and became a rimmed center-fire cartridge for use in the MAS revolver 1873-1874 then used by the French Army.[1]
Features
The 12mm Lefaucheux.
These are the characteristics of the '12 mm Lefaucheux' cartridge:[1][2][3][4]
- Brass case
- Caliber: 12mm
- Ammo: 12 X 17
- Bullet diameter: 11.30 - 11.40 mm (.444" - .448")
- Neck diameter: 11.80 - 11.85 mm (.464" - .466)
- Base diameter: 11.90 - 11.92 mm (.468" - .469")
- Rim diameter: 12.64 - 12.66 mm (.497" - .498")
- Rim thickness: 0.9 - 1.0 mm (.035" - .039")
- Case length: 19.90 - 20.00 mm (.783" - .787")
- Overall length: 30.77 - 30.80 mm (1.211" - 1.212")
- Primer: patented GAUPILLAT
- Total weight: 18.34 grams
- Bullet weight (lead): 12.80 grams
- Cartridge weight: 4.74 grams
- Black powder charge: 0.80 g
These are the most frequently encountered ("headstamp") tags:[3]
- 1 / E / 82 / G. E
- 4 / F / 82 / G.E
- 1 / G / 82 / G. E
- 4 / G / 82 / G.E
- 4 / M / 82 / G. E
- 4 / K / 82 / G. E
In these markings, the initials "G. E" referring to the manufacturer "Ernest Gaupillat", and the other letter and digits referring to the batch (probably place and date).[3]
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Dimensions
See also
References
External links
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