| TKB-059 | |
|---|---|
 прибор 3Б | |
| Type | Bullpup assault rifle |
| Place of origin | Soviet Union |
| Service history | |
| In service | Prototype only |
| Used by | Soviet Union prototype only |
| Wars | none |
| Production history | |
| Designer | Gennadij A. Korobov |
| Designed | 1962–1966 |
| Manufacturer | Tula Arms Plant |
| Produced | 1966 (TKB-059) |
| Variants | Device 3B TKB-059 |
| Specifications | |
| Mass | 3.85kg [1] |
| Length | 690 mm |
| Barrel length | 430 mm |
| Cartridge | 7.62×39mm |
| Caliber | 7.62mm |
| Barrels | 3 |
| Action | Gas-operated |
| Rate of fire | 1400–1800 rounds/min[2] |
| Feed system | 60-round or 45-round detachable box three-row magazine |
| Sights | Iron sights |
TKB-059 (ТКБ-059) was a Soviet three-barrel bullpup assault rifle, capable of fully automatic fire, chambered for the 7.62×39mm round and manufactured by Tula Arms Plant in 1966. It was based on the Device 3B (Прибор 3Б), an earlier experimental assault rifle that also had three barrels.[3] Both weapons were developed by the small arms designer Gennadij Korobov.
Both the TKB-059 and the Device 3B used a specialized 7.62×39mm magazine with three columns, akin to three individual box magazines placed and attached side by side. There were two sizes of magazine: one with a total capacity of 45 rounds (15 rounds per column), and one with a capacity of 60 rounds (20 rounds per column). Each barrel was independently fed from its corresponding column.[1] The TKB-059 could be fired ambidextrously as the spent cartridge casings ejected downwards behind the magazines.[citation needed]
The TKB-059 prototype can now be seen at the Tula arms museum.[4]
