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Groza
OTs-14 Groza
Country of origin

Russia

Manufacturer(s)

TsKIB SOO

Designer(s)

Valery Nikolayevich Telesh
Yuri V. Lebedev
N. Myskin

Year(s) designed

1989

Production began

1994

Weapon type

Assault rifle

Caliber
Action

Gas-operated, rotating bolt

Overall length
  • OTs-14-4A: 61 centimetres (24 inches)
  • OTs-14-4A-01: 56.5 centimetres (22.2 inches)
  • OTs-14-4A-02: 50 centimetres (20 inches)
  • OTs-14-4A-03: 72 centimetres (28 inches)
Barrel length
  • Groza-1: 41.5 centimetres (16.3 inches)
  • Groza-4: 24 centimetres (9.4 inches)
Weight
  • OTs-14-4A/4A-03: 2.7 kilograms (6.0 pounds)
  • OTs-14-4A-01/02: 3.6 kilograms (7.9 pounds)
Height
  • Without grenade launcher:
    • OTs-14-1A: 7 centimetres (2.8 inches)
    • OTs-14-4A: 6 centimetres (2.4 inches)
  • With grenade launcher:
    • OTs-14-1A: 8 centimetres (3.1 inches)
    • OTs-14-4A: 7.5 centimetres (3.0 inches)
Width
  • Without grenade launcher:
    • OTs-14-1A: 35 centimetres (14 inches)
    • OTs-14-4A: 29.4 centimetres (11.6 inches)
  • With grenade launcher:
    • OTs-14-1A: 32 centimetres (13 inches)
    • OTs-14-4A: 26.6 centimetres (10.5 inches)
Magazine/Cylinder capacity
  • Groza-4: 20-round detachable box magazine
  • Groza-1: 30-round detachable box magazine
Cyclic rate
  • Groza-4: 700 RPM
  • Groza-1: 750 RPM
Effective range
  • Groza-4: 200 metres (660 feet; 220 yards)
  • Groza-1: 300 metres (980 feet; 330 yards)
Maximum effective range
  • Groza-4: 400 metres (1,300 feet; 440 yards)
  • Groza-1: 500 metres (1,600 feet; 550 yards)
Muzzle velocity
  • Groza-4: 300 metres per second (980 feet per second)
  • Groza-1: 720 metres per second (2,400 feet per second)
Used by

Russia


The OTs-14 Groza (ОЦ-14 Гроза, Thunderstorm in Russian), often incorrectly called the OC-14 Groza, is a Russian bullpup assault rifle.

HistoryEdit

As hinted by the OTs moniker, the OTs-14 was the brainchild of two engineers at TsKIB SOO, Yuri Lebedev and Valery Telesh, both of whom were responsible for the design of the very similar GP-25 and GP-30 underbarrel grenade launchers meant to be used on the AK-74. Both designers wanted to design a rifle which would incorporate all the advantages of an AKS-74U into a compact and modular weapon system, and thus, the OTs-14 was born.

The rifle was first displayed at MILPOL Moscow in 1994, and was adopted by the Russian MVD shortly after its unveiling; the MVD later brought the weapon up to the Russian Ministry of Defense which also had requirements for a similar weapon. Due to this, the OTs-14 was later adapted for use with various special force units, such as the Spetsnaz.

Design DetailsEdit

The OTs-14 is practically a copy of the AKS-74U internally, except reconfigured in a bullpup format and chambered for a different cartridge. The OTs-14 is of an extremely modular design, with various parts of the weapon being able to be swapped out and replaced with other parts; for instance, the signature foregrip can be changed out for a GP-30 grenade launcher. The weapon's barrel can be fitted with a quick-detach silencer. As the OTs-14 is practically a bullpup clone of the AKS-74U, all the AKS-74U's controls are retained on the OTs-14, and as such, is operated very similarly.

AmmunitionEdit

Originally chambered in the subsonic 9×39mm SP-6 cartridge used in the AS Val and VSS Vintorez, the OTs-14 was later adapted for the more standard 7.62×39mm cartridge. There are also experimental variants of the OTs-14 that are chambered for mid-powered cartridges, such as 5.56×45mm NATO and 5.45×39mm, but failed to garner any interest and were not adopted as a result.

VariantsEdit

OTs-14-1A Groza-1

Primary model used since 1998 by the Russian Military in various divisions. Chambered in 7.62×39mm.

Sub-variants:

OTs-14-1A-01

Carbine variant. Has a vertical foregrip.

OTs-14-1A-02

Specialized carbine variant. Has a short barrel with threads to fit a suppressor.

OTs-14-1A-03

Specialized marksman variant. Practically the same as the 1A-02 except that it has a mounting bracket to mount a telescopic sight.

OTs-14-1A-04 7,62/40

Specialized full-sized variant with full-length barrel and an underbarrel GP-30 grenade launcher. Appears to be in limited service with the Russian Naval Infantry as of 2014.

OTs-14-2A

Experimental variant chambered in 5.45×39mm. Never adopted due to users preferring the power of the 7.62×39mm round when firing from a short-barreled rifle.

OTs-14-3A

Experimental variant chambered in 5.56×45mm NATO. Never adopted due to lack of interest from foreign customers and the Russian military.

OTs-14-4A Groza-4

Original variant produced chambered in the subsonic 9×39mm round adopted in 1994 by some Russian special forces.

Sub-variants:

OTs-14-4A-01

Carbine variant. Has a vertical foregrip.

OTs-14-4A-02

Specialized carbine variant. Has a short barrel with threads to fit a suppressor.

OTs-14-4A-03

Specialized marksman variant. Practically the same as the 1A-02 except that it has a mounting bracket to mount a telescopic sight.

OTs-14-4A-04 9/40

Specialized full-sized variant with full-length barrel and an underbarrel GP-30 grenade launcher.

ReferencesEdit

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