Name | AK-107 |
---|---|
Origin | |
Type | Assault rifle |
Is ranged | yes |
Wars | |
Designer | Youriy K. Alexandrov |
Design date | 1990s |
Manufacturer | Izhmash |
Variants | AK-108 |
Weight | |
Length | stock extended / stock folded |
Part length | |
Height | |
Cartridge | 5.45x39mm (AK-107) 5.56x45mm NATO (AK-108) |
Action | Gas-operated, rotating bolt, BARS system |
Rate | 850 rounds/min (AK-107) 900 rounds/min (AK-108) |
Velocity | (AK-107) (AK-108) |
Range | 500 m |
Feed | 30-round detachable box magazine60 round AK-74 compatible casket magazines |
Sights | Protected front post, rear V-notch on tangent }} |
The AK-107 is a Russian 5.45 mm assault rifle developed from the AK-100-series. It features a "balanced" operating system, similar to that used in the AEK-971. In this case, the designation AK does not indicate ''Avtomat Kalashnikova'' but ''Alexandrov/Kalashnikov''. The revised designation indicates the incorporation of a new gas system, designed by Youriy Alexandrov, for Kalashnikov-pattern rifles.
These new rifles were derived from the AL-7 experimental rifle of the early 1970s. The AL-7 utilized an innovative balanced gas operating system known as the Balanced Automatics Recoil System (BARS) developed by Peter Andreevich Tkachev of TsNIITochMash that was first used earlier on the AO-38 assault rifle of 1965 that essentially eliminated felt recoil and muzzle rise. The system was modified by Alexandrov, then a junior engineer at Izhmash, and prototypes were produced under the designation AL-7. The AL-7 was considered too expensive for production at the time and the Soviet Army selected the AK-74 instead as the new service rifle. No further development occurred until the mid-1990s when Alexandrov, by then a senior engineer, was directed to update his design for production as a less expensive alternative to the AN-94. The new rifle differs only slightly from the original AL-7. The AK-107 receiver is not fluted and a three-round burst feature has been added. There is otherwise little difference between it and the AL-7 prototypes.
When the rifle is fired, gas is tapped from the gas port to enter the gas tube, driving the bolt carrier to the rear and the counter-recoil upper rail forward. The critical timing of the reciprocating parts is accomplished by a star-shaped sprocket that links and synchronizes both components, causing both to reach their maximum extension, or null point where forces are exactly equal, at exactly the same instant. The felt recoil is therefore eliminated, enhancing accuracy and assisting control during fully automatic fire. The travel distance of the AK-107 reciprocating parts is less than other Kalashnikov designs, so the cyclic rate is higher at 850–900 rounds/min rather than 600 rounds/min on other AK rifles. However, as the felt recoil is virtually eliminated, the manufacturer claims that accuracy is enhanced, especially during burst fire. An enhancement of 1.5 to 2 times, compared to the original AK100 series, has been reported.
The AK-107 is a selective fire weapon, with a three-round burst capability in addition to semi-automatic and fully automatic firing modes. The system on the AK-107 resets to three-round burst each time the trigger is released, even if only one or two rounds were fired. External differences between the AK-107 and its predecessors are minor. They include a modified ejection port and a much thicker operating rod cover. The method of attaching the receiver cover now involves a rotating latch in place of the traditional Kalashnikov button at the rear of the receiver cover. The rear sight is also attached directly to the receiver cover rather than to the receiver itself and the selector has four positions instead of three. Optical and night sights can be installed, the rifle can also accept a 40 mm GP-25 grenade launcher.
The AK-108 is a version of the AK-107 chambered in 5.56x45mm NATO. Like the rest of the AK-100 series, these newer AKs use synthetic materials such as black fiberglass-reinforced polymer for the pistol grip and heat shield. This material is more cost efficient and much stronger than the original AKM/AK-74 wood furniture.
Category:5.56 mm firearms Category:Assault rifles Category:Kalashnikov derivatives Category:Weapons of Russia
de:AK-107 es:AK-107 id:AK-107 lt:AK-107 nl:AK-107 ja:AK-107 pl:Karabin AK-107 pt:AK-107 ru:АК-107 sv:AK-107 tr:AK-107 uk:АК-107 vi:AK-107 zh:AK-107突击步枪This text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.
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