TKB-517
| TKB-517 | |
|---|---|
 | |
| Type | Assault rifle |
| Place of origin | Soviet Union |
| Production history | |
| Designer | German Korobov |
| Designed | c. 1952 |
| Manufacturer | Tula Arms Plant |
| Variants | TKB-317 TKB-454 TKB-516 TKB-523 |
| Specifications | |
| Mass | 3.18 kg (7.0 lb) (unloaded) 3.5 kg (7.7 lb)(loaded with 30-round magazine) |
| Length | 910 mm (36 in) |
| Barrellength | 415 mm (16.3 in) |
| Cartridge | 7.62×39mm |
| Action | Lever-delayed blowback |
| Rate of fire | 560 rounds/min |
| Muzzle velocity | 720 m/s (2,400 ft/s) |
| Effective firing range | 350–400 m (1,150–1,310 ft) |
| Maximum firing range | 1,500 m (4,900 ft) |
| Feed system | 30-round detachablebox magazine Belt(TKB-516) |
| Sights | Adjustableiron sights |
TheTKB-517(Russian:ТКБ-517) is anassault rifledesigned byGerman Aleksandrovich Korobov.This rifle was externally similar to theAK-47,but based on thelever-delayed blowbackmechanism invented byJohn Pedersenand refined byPál Király.It turned out to be more reliable, more accurate and controllable under full auto, and easier to produce and maintain.[1]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 Soviet 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.[2]
Design and features
[edit]The TKB-517 is externally similar to the AK-47 and field-strips similarly, but instead it useslever-delayed blowbackfor its operation, slightly reducing recoil and making it more controllable. The receiver is made from pressed steel with laminated wood stock, grip and handguards.[3]
See also
[edit]References
[edit]- ^Popenker, Maxim."Korobov TKB-517".Modern Firearms.RetrievedApril 4,2007.
- ^McCollum, Ian."Play (k) 2:33 / 2:56 How Does It Work: Lever Delayed Blowback".Youtube.Forgotten Weapons.Archivedfrom the original on 2021-12-14.Retrieved17 April2020.
- ^F, Nathaniel (December 13, 2014)."Ten 20th Century Military Rifles History Has Forgotten".The Firearm Blog. Archived fromthe originalon October 2, 2022.
- Russian Arms Workers: Ahead of timeArchived2011-08-12 at theWayback Machine
- German Aleksandrovich Korobov
- Игорь Боечин, "Неизвестный Коробов",Оружие,1998/5, pp. 2–10 (this gun on pp. 7–8)
| Lever delayed |  | |
|---|---|---|
| Roller delayed | ||
| Gas delayed | ||
| Hesitation locked | ||
| Flywheel delayed | ||
| Radial delayed | ||
| Toggle delayed | ||
| Vector delayed | ||
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