Nothing special>
1. Onyx P800 AntiShip supersonic missile
2. Kalibr multipurpose antisurface/antiship/antisubmarine system 8x4 vertical missile launchers.
3. 10 Torpedo launchers (on side so positions under angle) with total maximum of 30 torpedos.
4. Irtish/Amphora hidroacustic system in nose.
5. Hull is cover with layer for reducing effectiveness of enemy senzors.
6. Submarine have evacuation unit in superstructure.
7. Submarine have duble hull (light hull included in nose section, near rocket launchers and in superstructure).
Have in mind that my Russian is even worse then my english