Rounds for Grenade Launcher

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40x46 mm Round RLV-TB with Thermobaric Grenade


The RLV-TB round is intended for combined destruction, both by air-blast and thermal emission:
- of the enemy manpower and equipment located mainly in different types shelters and covered areas, caves and in the open, as well as 
- of light armoured and unarmoured vehicles.
Upon meeting a target, the fuze AF41 gets activated and initiates the bursting charge which, in its turn, disperses the thermobaric composition TBC-2. The thermobaric composition TBC-2 interacts with the oxygen from the air; an air-fuel composition is generated which detonates from the bursting charge. A zone characterized with over pressure and temperature is created in the area.The rounds are designed to be fired from:
- Underbarrel Grenade Launchers: ARSENAL UBGL-M8, UBGL-M7, UBGL-M16; M203; HK 69; etc.;
- Stand-alone Grenade Launchers: ARSENAL UGGL-M1, HK 69A1; M 79; STAR FN SCAR; M320; etc.;


Low velocity, thermobaric

Calibre, mm


Max firing Range, m


Direct fire range, m


Muzzle velocity, m/s


Overall length of Round, mm


Weight of round, kg


Thermobaric composition type


Thermobaric composition weight, kg


Primer type

Percussion, Boxer type

Powder type

double base

Cartridge case material

aluminum alloy

Fuze type


Point detonation fuze with distant arming and self-destruction

Arming distance, m

from 10 to 40

Self destruction time, s

from 14 to 19

Details of arming function

3 steps of safety

Operational temperature, degrees

from minus 43°C to 52°C

Class of explosion hazard

1.1E, UN 0006

3 pes. metal airtight boxes (28 pcs. in each box), arranged in a wooden case.

84 pcs. Rounds totally in a wooden case.

Case dimension, mm


Case weight, kg


Volume, m3


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