OTs-14 Groza
The OTs-14-4 "Groza-4" (Russian: ОЦ-14-4 "Гроза", lit. 'Storm') 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 (Central Design and Research Bureau of Sporting and Hunting Arms) in Tula, Russia.
| OTs-14 Groza | |
|---|---|
Render of an OTs-14-4 "Groza-4" | |
| Type | Bullpup assault rifle |
| Place of origin | Russia |
| Service history | |
| In service | 1994–1999 |
| Used by | See Users |
| Production history | |
| Designer | V.N. Telesh Y.V. Lebedev |
| Designed | 1990s |
| Manufacturer | TsKIB SOO |
| Produced | 1992–1999 |
| Variants | See Variants |
| Specifications | |
| Mass | OTs-14-4A: 3.97 kg (with 1.23 kg grenade launcher derived from GP-25); OTs-14-4A-01: 2.93 kg (with vertical foregrip); OTs-14-4A-02: 2,74 kg; OTs-14-4A-03: 3.96 kg (with 0.48 kg suppressor and 0.36 kg optical scope); |
| Length | 610 mm (OTs-14-4A) 565 mm (OTs-14-4A-01) 500 mm (OTs-14-4A-02) 720 mm (OTs-14-4A-03) |
| Barrel length | 240 mm (Groza-4) 420 mm (Groza-1) |
| Width | 60 mm (OTs-14-4A without a grenade launcher) 75 mm (OTs-14-4A with a grenade launcher mounted) 70 mm (OTs-14-1A without a grenade launcher) 80 mm (OTs-14-1A with a grenade launcher mounted) |
| Height | 294 mm (OTs-14-4A without a grenade launcher) 266 mm (OTs-14-4A with a grenade launcher mounted) 350 mm (OTs-14-1A without a grenade launcher) 320 mm (OTs-14-1A with a grenade launcher mounted) |
| Cartridge | 9×39mm (Groza-4) 7.62×39mm (Groza-1) |
| Action | Gas-operated, rotating bolt |
| Rate of fire | 700–750 rounds/min |
| Muzzle velocity | 300 m/s (980 ft/s) (Groza-4) 720 m/s (2,400 ft/s) (Groza-1) |
| Effective firing range | 200 m (220 yd) (Groza-4) 300 m (330 yd)(Groza-1) |
| Maximum firing range | 400 m (440 yd)(Groza-4) 500 m (550 yd) (Groza-1) |
| Feed system | 20-round detachable box magazine (Groza-4) 30-round detachable box magazine (Groza-1) |
| Sights | Iron sights, several optical and night vision sights |
The weapon is colloquially known as OC-14 or OTs-14 "Groza". The OTs-14-4A "Groza-4" has one derivative, the TKB-0239 (ТКБ-0239), also known as OTs-14-1A "Groza-1", chambered for the 7.62×39mm cartridge.
The Groza saw limited use in 1999 in the Second Chechen War, however they quickly fell out of favour and are no longer produced.
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