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OTs-12 Strategy Story Quotes
Gun Information
Full name OTs-12 Tiss
Country of origin Russian Federation
Manufacturer TsKIB SOO
Game Information
Faction Griffin & Kryuger
Manufacturer I.O.P.
Voice actor Uchiyama Yumi
Artist 林檎爱す
Released on CN, TW, KR, EN, JP
Chibi animation

Click the marked area to switch between animations

How to obtain[edit]

NORMALHEAVY Timer 3:10:00. See T-Doll Production for details.

DROP Can be obtained from many battle stages from Chapter 5-5 onward.

REWARD Not obtained as a reward

Exclusive Equipment[edit]

There is no exclusive equipment for this T-Doll.

Stats / Data[edit]

53(x1)105(x1) / 525(x5) 20(x1) / 60(x5) 20(x1) / 60(x5)
15 42
7 54
7 54
Rate of Fire
 Rate of Fire
48 72
Movement Speed
 Move Speed
Critical Hit Rate
 Crit. Rate
Critical Hit Damage
 Crit. Damage
Armor Penetration
 Armor Pen.
Icon slot Accessory.png Icon Telescopic Sight S 2star.png Icon Holographic Sight S 2star.png
Icon Red Dot Sight S 2star.png Icon Night Combat Equipment S 2star.png
Icon Silencer S 2star.png
Icon slot Magazine.png Icon Armor-Piercing Ammo S 2star.png Icon HP Ammo S 2star.png
Icon Shotgun Ammo S 2star.png
Icon High-Velocity Ammo S 2star.png
Icon slot Doll.png Icon Microchip S 2star.png Icon Exoskeleton S 2star.png
Icon Ballistic Plate S 2star.png Icon Camo Cape S 2star.png
Icon Ammo Box S 2star.png
Affects submachine guns
Increases rate of fire by 20%
Increases damage by 15%

Weapon Background[edit]

Experimental carbine developed in the early 1990s by TsKIB COO, OTs-12 Tiss (ОЦ-12 Тисс) "Yew Tree", literally a remodeled AKS-74U designed to chambered the 9x39mm calibre sub-sonic round.

When compared to the AKS-74U, Tiss differs only in the bolt, barrel, muzzle-brake, and magazine, every other feature are practically identical. Gas-operated, rotating bolt operation, right side charging handle, magazine release behind the well just like all Kalashnikov derivatives. Tiss is fed with a specially designed 20-round box magazine and able to achieve a rate of fire of 800 rounds per minute, the 20-round box magazine was designed so that it would be compatible with standard current-issue ammo pouches, a larger 25-round magazine was planned before project's cancellation.[1]

With Tiss being built based on the AKS-74U chassis it would mean all the accessories available to 74U are compatible with Tiss, Warsaw Pact/Soviet Union issue accessories items such as clamp-mount for optics and even the BS-1 30mm suppressed grenade launcher should be compatible with Tiss.

In 1993 a few hundred were built and delivered to the Russian Internal Troops for evaluation[1], the actual trial was likely a demonstration of 9x39mm calibre's devastation in close quarter urban combat against the 5.45x39mm M74, even when fired from a weapon frame that is cheaper to make than the AS Val. The production cancelled later that year due to the lack of interest on the weapon itself, though performed excellently during the trial, but there were too many other weapon using the 9×39mm calibre munitions of that era such as 9A-91 and SR-3 Vikhr, which were more compact and weights less than a default AKS-74U chassis with similar performance level. With project abandoned TsKIB COO started to work on the successor project OTs-14 Groza.[1]


As a firearm Tiss was produced in small quantities and very rarely used, items such as the hearing protection headset and plastic goggles she is wearing suggests that she was a laboratory project, the T-Doll was likely designed with this concept in mind. Though the produced batch of Tiss rifles did not undergo destruction and is actually in service with the Russian police.[2]

Using the weapon as a comparison Tiss' body height is probably around 140 to 150cm. Despite being a product made after the dissolution of the Soviet Union, the character design of Tiss still incorporated many Soviet symbols, such as the Hammer and Sickle imprint on her thigh high socks/stockings, Hammer and Sickle badge on her collar and beret, star shaped imprint on her tie and various star shaped hair ornaments.



  1. 1.0 1.1 1.2 Wikipedia entry on OTs-12
  2. Modern Firearms entry on OTs-12 Tiss