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As the Soviet Union switched from the 7.62×39mm caliber AKM to the 5.45×39mm caliber AK-74, it encouraged other nations of the Warsaw Pact to follow suit. By the mid 1980s, Romania decided to switch calibers, however it was decided that the new rifle would be developed independently, and not represent a clone of the Soviet AK-74.
The Kalashnikov assault rifle 1974 model by Izhmash, Russia (AK-74) The logo that is currently being used by Kalashnikov Concern to represent its series of AK-branded rifles. Kalashnikov rifles (Russian: Автоматы Калашникова ), also known as the AK platform , AK rifles or simply the AK , are a family of assault rifles based ...
On December 8, 2010, Adcor announced production of the A-556 rifle to the civilian market. On June 27, 2011, it was announced that the improved A-556 Elite variant would be available for sale to the public. In June 2012, a soldier was seen in Afghanistan with a A-556 upper receiver with a 10.5 inch barrel on an M4 lower receiver. [4]
Arguably, the criticisms about range, accuracy, and lethality are related to the change in barrel length and twist between the M16 and M4. The earlier 5.56 rounds (the original M193) were optimized for a 20-inch (51 cm) barrel with a 1:12 twist. In 1980 STANAG 4172 defined the 5.56×45mm NATO chambering and its accompanying 1:7 twist rifling. [38]
The FNC is a selective fire weapon that uses a gas-operated long-stroke piston system and a rotating bolt locking mechanism equipped with two locking lugs that engage corresponding recesses in the barrel extension. The bolt is rotated and unlocked by the interaction of the bolt's cam pin with a camming guide contained in the bolt carrier.
The StG-940's design is based on the AK-74, [2] albeit modified. [2] This was done to evade restrictions placed on East German assault rifle production of their AK-74 variants imposed in order to prevent competition against the Soviets [2] based on their licensing agreement to not export any AK-74s made in East German soil abroad.
The rifle accepts most synthetic and metal AK-74-style magazines with 30-round capacity. The AK-101 has a 415 mm (16.3 in) barrel [6] with an AK-74 style muzzle brake attached to the barrel to control muzzle climb. The AK-101 is chambered in 5.56mm NATO [7] and features a black glass-filled polyamide side folding stock, which folds to the left. [8]
The 457 mm-long barrel, has six right-hand grooves and a 228 mm (1:9 in) twist rate. The barrel's external profile (from the breech to the front sight base) is identical to the Tantal's barrel, but the length from the foresight base has a visible tapered contour with a decreasing diameter towards the muzzle end, used to mount a flash suppressor.