The TKB-517 (russian: ТКБ-517) is an
assault rifle designed by
German Aleksandrovich Korobov. This rifle was externally similar to the
AK-47
The AK-47, officially known as the ''Avtomat Kalashnikova'' (; also known as the Kalashnikov or just AK), is a gas-operated assault rifle that is chambered for the 7.62×39mm cartridge. Developed in the Soviet Union by Russian small-arms d ...
, but based on the
lever-delayed blowback
Blowback is a system of operation for self-loading firearms that obtains energy from the motion of the cartridge case as it is pushed to the rear by expanding gas created by the ignition of the propellant charge.
Several blowback systems exist wit ...
mechanism invented by
John Pedersen and refined by
Pál Király
Pál Király (1880–1965) was a Hungarian engineer and weapons designer.
Work & designs
He is best known for development of lever-delayed blowback firearms, and being employed by the Danuvia company in the 1930s and 1940s to design and pr ...
. It turned out to be more reliable, more accurate and controllable under full auto, and easier to produce and maintain. Like the AK series, it was also manufactured with folding stocks, longer, heavier barrels with bipods (forming light support weapons) and even a belt-fed variant. Its rejection was because of a greater proficiency with the AK-47 among the Russian military, though it is just as likely it was rejected due to relatively high extraction pressure, which is a common issue firearms using lever-delayed blowback actions.
Design and features
The TKB-517 is externally similar to the AK-47 and field-strips similarly, but instead it uses
lever-delayed blowback
Blowback is a system of operation for self-loading firearms that obtains energy from the motion of the cartridge case as it is pushed to the rear by expanding gas created by the ignition of the propellant charge.
Several blowback systems exist wit ...
for its operation, slightly reducing recoil and making it more controllable. The receiver is made from pressed steel with laminated wood stock, grip and handguards.
See also
*
Dlugov assault rifle
The Dlugov assault rifle (автомат Длугова) was a prototype assault rifle of Soviet origin. The weapon used a blowback operation and was chambered in the 7.62×39mm round. It was proposed as an alternative to the gas operated AK-47, ...
*
TKB-059
*
TKB-408
The TKB-408 Korobov was a bullpup assault rifle prototype by Soviet designer German A. Korobov presented in 1946. The TKB-408 was submitted to a set of official trials conducted in 1946 to select an assault rifle for the Red Army. The Soviet Arm ...
*
VAHAN
*
List of assault rifles
An assault rifle is a rifle that uses an intermediate cartridge, a detachable magazine, and can switch between semi-automatic/ fully automatic fire. Assault rifles are currently the standard service rifles in most modern armies. Some rifles lis ...
References
* Игорь Боечин, "Неизвестный Коробов", ''Оружие'', 1998/5, pp. 2–10 (this gun on pp. 7–8)
7.62×39mm assault rifles
Lever-delayed blowback firearms
Assault rifles of the Soviet Union
Abandoned military projects of the Soviet Union
Tula Arms Plant products
Trial and research firearms of the Soviet Union
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