How a OTs-14 Groza Rifle Works (Bullpup AK)

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Published on July 31, 2022 12:21:01 AM ● Video Link: https://www.youtube.com/watch?v=s-n91-IEjsA

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Wikipedia: The OTs-14 Groza (ОЦ-14 "Гроза") is a Russian selective fire bullpup assault rifle chambered for the 7.62×39 round and the 9×39mm subsonic round. It was developed in the 1990s at the TsKIB SOO (Central Design and Research Bureau of Sporting and Hunting Arms) in Tula, Russia.

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 round.

The Groza saw limited use in 1999 in the Second Chechen War, however they quickly fell out of favor and are no longer produced.

Work on the OTs-14-4A project began in December 1992. The weapon's chief designers were Valery Telesh, responsible for the GP-25 and GP-30 under-barrel grenade launchers,[6] and Yuri Lebedev.[1] The team set out to design an integrated and modular system that would incorporate all the best features of a close-combat long gun into a single weapon based on the AKS-74U. Prototypes were ready for testing in less than a year and the weapon was ready for production by early 1994.

It was first presented to the public at the MILIPOL Moscow trade show in April 1994 and adopted by the Ministry of Internal Affairs (MVD) shortly thereafter. The success of the OTs-14-4A in the hands of MVD personnel brought it to the attention of the Ministry of Defence (MO), who also had a requirement for such a weapon.[6] After a period of testing, the weapon was adopted for Spetsnaz forces and some airborne and specialist front-line combat units such as combat engineers.

The Groza was originally intended to have used any one of four cartridges: 5.45×39mm,[7] 5.56×45mm NATO,[8] 7.62×39mm or 9×39mm.[6] That idea was dropped and the assault rifle was originally chambered in 9×39mm to meet the MVD's requirement for a close combat weapon for deployment in Chechnya, for situations when the user needs to take on hostiles silently. This is why they used the subsonic ammo: 9×39mm, 5.45×39mm would later be used in minor cases.

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 rounds/min (Groza-4)
750 rounds/min (Groza-1)
Muzzle velocity 300 m/s (Groza-4)
720 m/s (Groza-1)
Effective firing range 200 m (Groza-4)
300 m (Groza-1)
Maximum firing range 400 m (Groza-4)
500 m (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

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