OTs-14 Groza
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The OTs-14-4 "Groza-4" is a Russian selective fire bullpup assault rifle chambered for the 9×39mm subsonic cartridge. It was developed in the 1990s at the TsKIB SOO in Tula, Russia.
The weapon is colloquially known as OC-14 or OTs-14 "Groza". Wikipedia
Designed: 1990s
Barrel length: 240 mm (Groza-4); 420 mm (Groza-1)
Cartridge: 9×39mm (Groza-4); 7.62×39mm (Groza-1)
Effective firing range: 200 m (220 yd) (Groza-4); 300 m (330 yd)(Groza-1)
Feed system: 20-round detachable box magazine (Groza-4); 30-round detachable box magazine (Groza-1)
In service: 1994–1999
Manufacturer: TsKIB SOO