OTs-12 Tiss

OTs-12
The OTs-12
Type Assault rifle
Place of origin Russia
Service history
Used by Internal Troops of Russia
Production history
Designer V. N. Telesh and U. V. Lebedev
Designed Early 1990s
Manufacturer TsKIIB SOO
(Central Design Bureau of Sporting and Hunting Weapons)
Produced 1993
No. built Few hundred
Specifications
Weight 2.5 kg (empty)
Length 730 mm
Barrel length 206.5 mm
Cartridge 9×39mm
Rate of fire 800 rounds/min
Muzzle velocity 270 m/s
Effective firing range About 200 meters
Maximum firing range 400 meters
Feed system 20-round detachable box magazine
(experimental 25-round magazine)
Sights Iron sights

OTs-12 Tiss ("Yew Tree") (Russian:ОЦ-12 Тисс) is a Russian fully automatic compact assault rifle. It is chambered for the sub-sonic 9x39mm round primarily made for police forces.

The rifle was developed in the early 1990s in TsKIB SOO of Tula designers VN Telesh and Yu.V.Lebedevym. It is basically an AKS-74U re-chambered for 9x39, it was designed as alternative to the AKS-74U. The TsKIB COO of Tula made several hundred OTs-12 "Tiss" they were transferred to the Interior Ministry security forces. Despite the good evaluation the Tula Arms Plant did not establish a mass-production. They instead opted for a bulpup configuration known as OTs 14 Groza which became its successor.

The main design changes from the AK-74 are in the bolt, barrel, muzzle-brake, and magazine.[1] The 20-round box magazine was designed so that it would be compatible with standard current-issue ammo pouches, but a larger 25-round magazine was in early production until its cancellation.

The subsonic round showed superior penetration of cover at short and medium ranges (200–300 m) when compared to the 5.45x39mm.[2] Still, the OTs-12 did not go into mass-production and was disbanded later that same year.

Other Designations

  • OTs-12

See also

References

  1. ↑ "Modern Firearms". Retrieved 25 October 2014.
  2. ↑ "Modern Firearms". Retrieved 25 October 2014.

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