Rounds for Anti-Tank Systems40/90 mm RTB-7LDMA

Caliber, mm 40
Warhead calibre, mm 90
Max sighting range, m 2000
Max direct-fire range, m 250
Weight of the round, kg 3.19 max
Weight of the grenade, kg 2.73 max
Muzzle velocity, m/s 100
Fire rate, shots/min 4÷6
Operational temperature range, °C from minus 40 to 50
Type of explosive composition TBC-2
Fuze type Point-detonating fuze AF72
with super-quick and graze
(anti-ricochet) function,
independent of impact angle

The 40/90 mm Round RTB-7LDMA with Long Distance Thermobaric Grenade GTB-7LDMA is intended for combined destruction, both by air-blast and thermal emission:

Of enemy manpower and equipment placed mainly in field type shelters, battle field fortifications, reinforced buildings, stone, brick or concrete fortifications, caves and in the open;
Of light armoured and unarmoured vehicles.

The Round consists of a Long Distance Thermobaric Grenade GTB-7LDMA and a Propellant Charge CP-77.

The Grenade is completed with Sustainer Motor SM-71 and Point Detonating Fuze AF72 with super quick and graze (anti-ricochet) function, independent of impact angle.

6 Rounds are packed in a wooden case as follows:
6 Grenades GTB-7LDMA (each one in airtight plastic bag) and
6 Propellant Charges CP-77 (each one in a plastic container; each 3 pcs. plastic containers in an airtight plastic bag).
Wooden case:
Dimensions, mm 895x481x275

Weight, kg 40
Volume, m3 0.118

CLASS OF EXPLOSION HAZARD: 1.1F, UN 0292