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The 7.62×39mm (aka 7.62 Soviet, formerly .30 Russian Short) [5] round is a rimless bottlenecked intermediate cartridge of Soviet origin. The cartridge is widely used due to the global proliferation of the AK-47 rifle and related Kalashnikov rifles , the SKS semi automatic rifle, as well as the RPD and RPK light machine guns .
The below table gives a list of firearms that can fire the 7.62×39mm cartridge, first developed and used by the Soviet Union in the late 1940s. [1] The cartridge is widely used due to the worldwide proliferation of Russian SKS and AK-47 pattern rifles, as well as RPD and RPK light machine guns.
The RK 95 TP (from Finnish Rynnäkkökivääri 95 taittoperä, 'Assault Rifle 95 folding stock'), officially 7.62 RK 95 TP and commercially known as the M95, is a 7.62×39mm Finnish assault rifle adopted in relatively small numbers by the Finnish Defence Forces in the 1990s. [2]
The C.I.P. lists the projectile diameter as 7.83 mm (.311–.312 caliber), which is the same bullet diameter as the British .303 British cartridges and Soviet ".30 caliber" rounds like 7.62×39mm. .308 Winchester(7.62 mm)-size bullets are safe and usable but would not necessarily be the most accurate. Reloading in this chambering is a nuisance ...
The 7.62 mm designation refers to the internal diameter of the barrel at the lands (the raised helical ridges in rifled gun barrels). The actual bullet caliber is often 7.82 mm (0.308 in), although Soviet weapons commonly use a 7.91 mm (0.311 in) bullet, as do older British (.303 British) and Japanese (7.7×58mm Arisaka) cartridges.
The current issue steel-reinforced matte true black nonreflective surface finished 7.62×39mm 30-round magazines, fabricated from ABS plastic weigh 0.25 kg (0.55 lb) empty. [7] Early steel AK-47 magazines are 9.75 in (248 mm) long, and the later ribbed steel AKM and newer plastic 7.62×39mm magazines are about 1 in (25 mm) shorter.
The 6.5 Grendel bullets have a true diameter of 6.71mm / 0.264" and the 6.5 Grendel case can be formed from abundant 7.62x39 cases with a neck re-sizing die, and fire-forming a slight change to the shoulder, if the case is made from brass. Many of the popular 7.62x39 cases are made from steel, which will not work for reforming the shoulder.
Note: All, 7.62×39mm AK magazines are backwards compatible with older AK variants. Note *: 10.12 kg (22.3 lb) is the maximum amount of ammo that the average soldier can comfortably carry. It also allows for best comparison of the three most common 7.62×39mm AK platform magazines and the 5.45×39mm AK-74 magazine.