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7.5 × 54 mm
Регіон
France
Категорія
Ammunition, Missiles and precision weapons
The case is rimless and bottlenecked, Berdan or Boxer primed and made of brass or lacquered steel or, for short-range target ammunition, aluminium alloy. The ball bullet is non-streamlined and of conventional construction, using a lead core and steel jacket. Tracer, AP and AP/T variants were also in service. Compatible platforms include the 7.5 mm Mle 1929 cartridge was originally developed for the Mle 1924/29 Chatellerault light machine gun by Manufacture d'Armes de Saint Etienne (MAS). The original round had a
case length of 58 mm but was shortened to 54 mm in 1929. Cases are usually of brass, but parkerised steel cases were used shortly after WW II and lacquered steel cases were used between 1952 and the end of the 1960's. The M1924C bullet, with a cannelure, was adopted in 1934. The jacket of this bullet may be cupro-nickel or gilding metal clad steel. It remained the standard French service cartridge until the adoption of the 7.62 × 51 mm NATO cartridge in the 1970s. It remained in service because of the large number of 7.5 mm weapons still in use and since 1985 has been loaded with a standard 7.62 mm NATO bullet, which has the same diameter. The cartridge was also adopted by French colonial forces and when these countries became independent the weapons in this caliber were retained, although in most cases the 7.5 × 54 mm has now been superseded by other calibres. Military production was by both government factories and commercial manufacturers. The cartridge continues in production in small quantities.