OTs-12 Tiss
| OTs-12 | |
|---|---|
 The OTs-12 | |
| Type | Assault rifle Carbine |
| Place of origin | 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 | 350[citation needed] |
| Specifications | |
| Mass | 2.5 kg (empty) |
| Length | 730 mm 490 mm (folded) |
| Barrel length | 206.5 mm |
| Cartridge | 9×39mm |
| Rate of fire | 800 rounds/min |
| Muzzle velocity | 270 m/s (890 ft/s) |
| Effective firing range | about 200 m (220 yd) |
| Maximum firing range | 400 m (440 yd) |
| Feed system | 20-round detachable box magazine 25-round magazine (experimental) |
| Sights | Iron sights |
The OTs-12 Tiss (Russian: ОЦ-12 Тисс)[1] is a Russian fully automatic compact assault rifle. It is chambered for the subsonic 9×39mm round.[2]
The Tiss is meant to equip OMON and SOBR units in CQB-based operations.[2]
History
[edit]The rifle was developed in the early 1990s in TsKIB SOO of Tula designers VN Telesh and Yu.V.Lebedev. It is basically an AKS-74U re-chambered for 9×39mm, it was designed as alternative to the AKS-74U.[3] The TsKIB COO of Tula made several hundred of OTs-12s, which were transferred to the Interior Ministry security forces.
Despite the good evaluation, the Tula Arms Plant did not put the rifle into mass-production.[3] They instead opted for a bullpup configuration known as OTs-14 Groza, which became its successor.
In 2018, a replica of the Tiss was reported to be designed by Daniel Fisher of KNS Precision.[4]
Design
[edit]The main design changes from the AKS-74U are in the bolt, barrel, muzzle-brake, and magazine.[5] Early versions were made with a long barrel.[2]
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 5.45×39mm.[5]
Criticism was placed on the Tiss since a user cannot clean the gas outlet.[2]
See also
[edit]References
[edit]- ^ "Автомат ОЦ-12 «Тисс»".
- ^ a b c d "Trial and error method: OTs-12 Tiss".
- ^ a b "ОЦ-12 «Тисс», автомат".
- ^ "American-Made Replica of 9x39mm OTs-12 Rifle -". 17 September 2018.
- ^ a b "Modern Firearms". Retrieved 25 October 2014.
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| Assault and battle rifles |
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| Carbines |
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