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AK-47 barrel and its distinctive gas block with a horizontal row of gas relief ports. The rifle received a barrel with a chrome-lined bore and four right-hand grooves at a 240 mm (1 in 9.45 in) or 31.5 calibers rifling twist rate. The gas block contains a gas channel that is installed at a slanted angle with the bore axis.
The 40 mm Under Barrel Grenade Launcher, [a] is a single shot grenade launcher developed by ARDE and Ordnance Factory Tiruchirappalli [1] for use with the INSAS and AK-47 rifles used by the Indian Army. Standalone versions of the grenade launcher exist. [3] As of September 2019, around 10,000 UBGLs were manufactured. [2]
Diagram of long-stroke gas operation system Long stroke gas piston, from an AK-74. With a long-stroke system, the piston is mechanically fixed to the bolt group and moves through the entire operating cycle. This system is used in weapons such as the Bren light machine gun, AK-47, Tavor, FN Minimi, FN MAG, FN FNC, and M1 Garand.
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 Mikhail Kalashnikov's original design.
The AK-47 can mount the Kalashnikov cup-type grenade-launcher that uses standard Soviet RGD-5 hand-grenades. The soup-can shaped launcher is screwed onto an AK-47's muzzle. [23] The maximum effective range is approximately 150 m (490 ft). [24] The M16 has a similar device used to launch tear-gas hand-grenades. [25]
The 80.002 was a combined assault rifle and grenade launcher prototype based on the AK-74. The weapon was developed at TsNIITochMash by Yu.V. Minaev, V.I. Chelikin, and G.A. Yanov between 1975 and 1979. The main difference from the Kalashnikov is the presence of two adjacent barrels of 5.45 mm and 12.7 mm respectively. [2]
Barrel nut Attaching the barrel to the receiver using a barrel nut and a barrel with a shoulder is an alternative to action threads, which has been used in firearms such as the Sten gun and AR-15. Hand tools Quick barrel change systems is an increasingly popular alternative, as seen in for example SIG Sauer 200 STR, Roessler Titan or Blaser R8.
The AK-47 has a 41.5 cm (16.3 in) barrel and a 378mm (14.88 inches) sight radius. [12] The AK-47 uses a notched rear tangent iron sight, it is adjustable and is calibrated in hundreds from 100 to 800 meters (100 to 1000 meters for AKM models). [147] The front sight is a post adjustable for elevation in the field.