The AA-52 (Arme Automatique Transformable Modèle 1952, "Transformable automatic weapon model 1952") is one of the first French produced guns of the post World War II era. Also called "Cinquante-Deux" (French for "52"). This article does not cite its references or sources. ... This article does not adequately cite its references or sources. ... 7. ... The word calibre (British English) or caliber (American English) designates the interior diameter of a tube or the exterior diameter of a wire or rod. ... In firearms terminology, an action is the system of operation that the firearm employs to seal the breech (in a breech-loading firearm), and to load consecutive rounds. ... Lever-delayed blowback is a form of blowback action in firearms. ... Rate of fire is the speed at which a specific firearm or artillery piece can ]] per minute (RPM or round/min), or rounds per second Note that heat and ammunition concerns mean that most automatic weapons are unlikely ever to sustain their cyclic rate of fire for a full minute... A guns muzzle velocity is the speed at which the projectile leaves the muzzle of the gun. ... Combatants Allied powers: China France Great Britain Soviet Union United States and others Axis powers: Germany Italy Japan and others Commanders Chiang Kai-shek Charles de Gaulle Winston Churchill Joseph Stalin Franklin Roosevelt Adolf Hitler Benito Mussolini Hideki Tōjō Casualties Military dead: 17,000,000 Civilian dead: 33,000...

The weapon is still used today as a vehicle-mounted weapon; however, it has been phased out for infantry use in favour of the lighter Minimi. The FN Minimi is a squad automatic weapon — the name coming from Mini-mitrailleuse (French: mini-machine gun. It is a 5. ...

History

The AA-52 machine gun was conceived and developed following the French military's experiences in Indochina during the early 1950s. At that time, the French army was equipped with an assortment of weapons from English and American arsenals, as well as some German weapons from the Second World War. Indochina 1886 Indochina, or the Indochinese Peninsula, is a region in Southeast Asia. ...

Effective supply of ammunition and replacement parts was an almost insoluble task and the army decided to adopt a standard machine gun. The result was the AA-52, conceived for easy production. The construction was of simple welded stamped sheet steel.

Overview

The AA-52 was an exception among modern machine guns by its blowback system of operation; the force applied to the cartridge at the time of firing is used to send back the breech and introduce a new cartridge. This system works well with pistol cartridges in submachine guns, but for rifle cartridges a more complex mechanism was required for safety reasons. The AA-52 uses Lever-Delayed Blowback a two part breech-block: a control lever amplifier maintains the part before the block while the back part begins to move. When the cam crosses a certain distance, the block is sent to the rear. To facilitate the ejection of the cartridges, the chamber has grooves allowing some gas to be dissipated between the chamber wall and the cartridge. A cartridge fired by an AA-52 can be easily identified by the damage caused during this process. This article or section does not cite any references or sources. ... Lever-delayed blowback is a form of blowback action in firearms. ...

The AA-52 can be fired from the hip/a bipod or a tripod. When used with a tripod for continuous fire, the gun is fitted with a heavier barrel. In the portable configuration, the AA-52 is a relatively heavy weapon to carry. An unusual detail of the AA-52 is the presence of a strut under the butt to take the weight of the weapon. Another significant difference is in barrel changes, for many weapons this is a simple and quick task but on the AA-52 the bipod is a permanent fixture to the barrel making the process more difficult, Another problem is the AA-52 lacking a front handguard making the weapon more clumbersome.

Variants

NF-1

The AA-52 was conceived originally to use 7.5 mm cartridges that were used in the French FM-24/29. The general adoption of the 7.62mm NATO cartridge reduced the opportunity for export sales, and the gun was adapted for the 7.62 mm calibre. The FM 24/29 was a light machine gun in use by the French army from 1924. ... NATO 7. ...

An AA-52 mounted on top of a Leclerc heavy tank The gunners position, looking down from the turret roof. ...

References

• Gun's World AA-52

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• AAT Mod.52 / Mod. F1 at Moder Firearms.ru