2T Stalker The 2T Stalker , also known as BM - 2T Stalker , is an armoured vehicle used by the Belarusian Army . Armament . Fire Control System . The vehicle incorporates a multi - channel day / night optical electronic suit . Weapons . The weapon set of the 2T Stalker comprises a stabilized 30 mm caliber automatic cannon , a coaxial machine gun , an automatic grenade launcher , as well as four ready missiles ; two anti - aircraft and two anti - tank missiles . Main and coaxial guns . The 2T Stalker comprises a 30 mm automatic cannon 2A42 as the main armament , as announced in 2001 . The gas - operated gun is a dual feed multipurpose small caliber weapon , that has a dual rate of fire with a minimum rate of 200 - 300 or 550 rounds per minute ( rds / min ) , where the rapid fire mode assures 800 rds / min . The sustained rate of fire is 200 rds / min , though . The gun is intended for engaging materiel , low flying aircraft , light vehicles , and dismounted infantry . With a muzzle velocity of 960 m / s , the gun is capable of defeating a light Armored Personnel Carrier at a range of 1 , 500 meters , a soft - skinned vehicle at 4 , 000 meters , and slow - flying aircraft at altitudes up to 2 , 000 meters and slant ranges of up to 2 , 500 meters . The coaxial gun for the vehicles is a 7 . 62 mm caliber machine gun . Grenade launcher . The AGS - 17 " Plamya " ( Russian : Пламя ) is a Soviet - designed automatic grenade launcher currently in production in the Russian Federation and in service worldwide . Nickname Plamya means ‘ flame ’ . Retractable launchers . The missile armament of the Stalker consists of two retractable launchers each with two missile launchers . Inside the vehicle , are four missiles , bringing the total number of missiles to six . Typically , each retractable launcher is specific for a type of missiles , the right one firing Anti - Air missiles , while the left one firing Anti - Armor missiles . Anti - Tank Missiles ( AT - 6 Spiral ) . The 9K114 Shturm ( NATO reporting name is AT - 6 SPIRAL ) is a tube - launched , SACLOS antitank guided missile . The missile has replaced the older 3M11 Falanga ( AT - 2 SWATTER ) on the Mi - 24 Hind attack helicopter , yet the SACLOS system with IR missile tracking , and radio guidance , similar to the uprated version of the SWATTER , the AT - 2c , operates the same as the AT - 4 SPIGOT and AT - 5 SPANDLER which unlike the AT - 6 SPIRAL are wire - guided . The AT - 6 is said to be a laser - guided missile based on / version of the American Hellfire missile , however , that is as incorrect as erroneous crediting of the missile with 7 , 000 - 10 , 000 meters as the maximum rage . The AT - 6 missile is a 130mm caliber tube launched , Semi - Automatic Command to Line - Of - Sight ( SACLOS ) Anti - Tank Guided Missile ( ATGM ) that can engage targets within 400 - 5 , 000 meters . The conventional shaped - charge warhead of the basic Shturm is believed to ba capable of penetrating 560 - 600mm of armor , where the warhead that contains two tandem HEAT charges would punch through 600 – 700 mm of rolled homogenous steel armor ( RHE ) . Anti - Air missiles ( SA - 18 Grouse ) . The 9K38 Igla ( NATO reporting name is S - 18 Grouse ) is a 72 . 2mm man - portable air defense missile weighting 10 . 6 kilograms with a 1 . 3 kilogram warhead . The missile itself is 1 . 67 meters long , the container is 1 . 708 meters and the whole system weights 17 kilograms . The system is designed to engage fixed - wing and rotary - wing aircraft , cruise missiles and UAV s flying at speeds of 360 – 400 m / s in head - on engagement ( approaching target ) and up to 320 m / s in tail chase ( receding target ) within their optical visibility and in the night - time conditions in background clutter and thermal countermeasures environment .