6S21 is Remote Controlled Weapon Station (RCWS) designed as an armament system for armored combat vehicles and other special-purpose vehicles used to solve the following tasks:

• reconnaissance, battlefield surveillance and target recognition using TV and IR cameras

• engagement of point and group targets, both moving and fixed, by means of 7.62mm and 12.7mm machine-guns from short halts, on the move and on the float

There are three versions of the 6S21 RCWS:

• 6S21-01 (with 12.7mm machine gun)

• 6S21-02 (with 7.62mm machine gun)

• 6S21-03 (with 7.62mm machine gun, lighter and smaller ammunition then 6S21-02)

Weapon mot stabilized, but stabilizer installation is possible.

Sight CAM1 - TV / IR camera + Laser Range-finder (LRF), optional CAM - TV camera + Laser Range-finder (LRF).

Weapon station:

• combat module

• aiming sight

• platform with laying drives

• ammunition chain

Operator working station inside the vehicle hull:

• gunner’s panel with an integrated ballistic computer

• control unit

• auxiliary equipment

It is possible integration into the On-board Vehicle Control System - data and video transmission via CAN 2.0, RS485, Ethernet, HD-DSI.

Diameter of seat flange is 750 mm.

Multiple remote cocking.

It is possible installation of the hydro-pneumatic cleaning of the sight shield glass.