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AA-52

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AA-52machinegun
AA-52
Country of origin

France

Designer(s)

Manufacture d'armes de Saint-Étienne

Production began

1952

Production ended

Still manufactured

Weapon type

Machine Gun

Caliber

7.62x51mm NATO

Action

Lever delayed blowback

Overall length

1080 millimeters

Barrel length

600 millimeters

Weight empty

9.75 kilograms

Magazine/Cylinder capacity

100/200 rounds

Cyclic rate

900 rounds per minute

Maximum effective range

3200 meters

Muzzle velocity

830 meters per second


The AA-52 (full designation in French: Arme Automatique Transformable Modèle 1952, "Transformable automatic weapon model 1952"), also known as "La Nana" is one of the first French-produced guns of the post-World War II era. It was manufactured by the French government-owned MAS company. The AA-52 is still used today as a vehicle-mounted weapon due to large quantities in service, but has been replaced in the helicopter role by the Belgian FN MAG, starting with the EC 725 Caracal of the Special Operations units and the Air Force Search and Rescue teams. The AA-52 is largely supplemented in infantry use in favour of the lighter FN Minimi. The AA-52 is still in use in Afghanistan.

DevelopmentEdit

The AA-52 machine gun was conceived and developed following the French military's experiences in the First Indochina War during the early 1950s. At that time, the French army was equipped with an assortment of weapons from British and American sources, as well as some German weapons from the Second World War. 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 ease of production. The construction is of simple welded stamped sheet steel.

OverviewEdit

The AA-52 is a peculiar weapon among modern machine guns because it uses lever-delayed blowback operation. When firing, the pressure pushing the case head rearward initiates an impulse on a cam that sends the bolt carrier rearward. After a certain distance, a link (in this case the firing pin) pulls the bolt head, hence extracting the spent case. Since there is no primary extraction, the chamber is fluted to allow powder gases to flow back, unsticking the case from the wall chamber like on H&K type roller-delayed blowback weapons. The AA-52 can be used as a light machine gun with a bipod or as a heavy machine gun with a tripod. When used with a tripod for continuous fire, the gun is fitted with a heavier barrel. In the light machine gun configuration, the AA-52 is a relatively light weapon to carry. The AA-52 can be fired from the shoulder but this is slightly awkward because of the position of the handle, however the bipod can be used as a handguard when not in use. The barrel is changed by pressing a latch and rotating it a quarter of a turn. The APX(SOM) telescopic sight used on the MAS-49 and the FR-F1 sniper rifle can be mounted on the AA-52 as well as an infrared night sight.

VariantsEdit

NF1Edit

The AA-52 originally used the standard 7.5×54mm French cartridge. The general adoption of the 7.62x51mm NATO cartridge reduced the opportunity for export sales, and the gun was adapted for this standard NATO calibre.

MAC-58Edit

MAC-58 machine gun

MAC-58

The MAC-58 was a version of the French AA-52 machine gun chambered in .50 BMG. A few prototypes were tested and one retained for preserial production, but it never reached production due to the large quantity of US M2 Browning machine guns already in service with the French armed forces.

GalleryEdit

ReferencesEdit

External LinksEdit

Images to be uploadedEdit

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