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Hi, i have just purchased a nice exanple, comple with original sling. Some making questions please and is what is the correct model term for this rifle as it has a 5 shot mag extension. The markings are St. Etienne Mle 1907 15 on the r/h of reciever.The letter N on top of the reciever.The serial number is the same on the butt as the barrel, but different numbers on bolt and trigger guard. Im lead to believe this is quite the norm for French rifles. Thanks.
 

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just remember this, that what ever configuration the weapon is at the present state is now is the nomenclature of this particular weapon, as it has been converted to the 5 round rifle it will know be known as the Fusil de Infanterie Modèle Modifié 1916 . It is quite normal for French weapons to have different numbers on the different parts of the weapons as many of these were re-built quite a few times during thier lifetimes during French service.
The N on the top of receiver and barrel is for Modèle 1932N (Nouveau) was adopted for use in 1932, this new cartridge was designed for long range shooting in Heavy Machine Guns, such as the Mitrailleuse Hotchkiss Modèle 1914 and is much more powerful than the regular rifle ammo at the time Cartouche Modèle 1886 à Balle D (am). This cartridge has a much heavier bullet being pushed by a bigger powder charge resulting in a higher chamber pressure and firing this cartridge in a non-N modified weapon will most likely lead to catastrophic failure with injuries for both the shooter and any bystanders. This cartridge may chamber alright in a non-N modified weapon, which does not have a capital “ N” stamped on the top of the barrel and receiver at 12 O'clock position, and as stated it will generate much higher pressures than expected as the chambers neck (collet) is not sized up to allow the neck of the this cartridge to expand sufficiently to release the bullet as designed. A common misconception is the maximum diameter of the Modèle 1932N bullet which is exactly the same as the Cartouche Modèle 1886 à Balle D (am) bullet: 8,32mm (.3275 inch). The biggest difference between the solid brass lathe turned "D" bullet and the lead-core “N” bullet beside the weight is the location of their maximum diameter: For the “D” bullet, it on the fore part of the bullet, before the crimping groove and outside of the case neck. In the case of the “N” bullet, it is on the aft part of the bullet, after the crimping groove and inside the case neck. Due to the above, the enlarged neck of the Modèle 1932N cartridge had to have a maximum acceptable diameter of 9,02mm instead of 8,80mm for the previous Cartouche Modèle 1886 cartridges. The origin of the chamber re-throating was carried out on the various weapons in service that were still in French inventory as of 1934 with most being done during the period 1935 to 1939. One other interesting fact is the "N" label is a misinterpretation as there is no such item as a "N" cartridge in any of the French texts and if you wish to use the correct name for this cartridge, you would have to call it Cartouche Modèle 1932N.
Patrick
 
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