This is a special version of the AKS-74U developed for the Russian Special Forces, or Spetsnaz. This version is fitted with a detachable suppressor and a specially developed suppressed 30mm grenade launcher, the BS-1 “Tishina” (Silence). The grenades are launched using blank cartridges stored in a box magazine inside the grenade launcher’s pistol grip. The launcher has an effective range of around 100 metres. The rifle is also equipped with the Kobra collimator sight, a red-dot reflex sight of Russian design that provides fast target acquisition and increases accuracy over iron sights.
The AKS-74U is chambered for 5.45x39mm ammunition, supplied from a standard AK-74 30 round box magazine. The weapon weighs 2.71kg empty and is 735mm long (490m with the stock folded). The AKS-74U has an effective range of around 200 metres and has a rate of fire of about 690rpm.