Engineering:12 mm Lefaucheux
| 12 mm Lefaucheux | |
|---|---|
 | |
| Type | Revolver |
| Service history | |
| In service | 1858–1892 |
| Used by | French Navy and French Army |
| Production history | |
| Designed | 1858 |
| Specifications | |
| Case type | Rimmed, straight |
| Bullet diameter | 11.3 mm (0.44 in) |
| Neck diameter | 11.8 mm (0.46 in) |
| Base diameter | 11.9 mm (0.47 in) |
| Rim diameter | 12.6 mm (0.50 in) |
| Rim thickness | 0.94 mm |
| Case length | 19.9 mm (0.78 in) |
| Overall length | 30.8 mm (1.21 in) |
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.
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
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]
Dimensions
See also
References
- ↑ 1.0 1.1 "Le revolver modèle 1873 à destination de la marine". revolver1873.fr. https://www.revolver1873.fr/1873-marine.php.
- ↑ "12 mm Lefaucheux - Cartucho 12 x 17 mm./ ECRA-ECDV 11 017 CLP 010". old.municion.org. http://old.municion.org/lefaucheux/12mm.htm.
- ↑ 3.0 3.1 3.2 Yves Etievant. "11 ou 12 Marine". Winchesterguns.com. https://pdfslide.net/documents/article-marine.html.
- ↑ "rechargement 11mm pour 1873". TIR et COLLECTION Armes Règlementaires. 2017-03-20. https://www.tircollection.com/t1634-rechargement-11mm-pour-1873.
External links
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