73 mm RTB-15MA

Caliber

5.56/7.62

Barrel length, mm

215/215

Magazine capacity

30/30

 73 mm Round RTB-15MA with Thermobaric Grenade GTB-9MA 

NSN:1310-50-001-3015

Main Features:

The 73 mm Round RTB-15MA with Thermobaric Grenade GTB-9MA is intended for defeat:

  • of the 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.
    Performance :
  • combined destruction, both by rapidly forming high-pressure blast wave and thermal emission;
  • -point-detonating fuze AF71 with super-quick and graze (anti-ricochet) function, independent of impact angle;
  • max range - 4500 m;
Packing
6 Rounds are packed in a wooden case as follows
6 Grenades GTB-9MA (each one in airtight plastic bag)
6 Propellant Charges (3 in a plastic containers)
TECHNICAL CHARACTERISTICS
RTB-15MA
Caliber, mm73
Firing Range, m4 500
Weight of the round, kg4.570
Weight of the grenade, kg3.680
Average muzzle velocity, m/s290
Operational temperature range, °Cfrom minus 40 to 50
The Round consists
FuzeAF71
Thermobaric GrenadeGTB-9MA
Propellant ChargeCP-1521
Weapon Systems
2A28 Gun mounted on BMP-1
Wooden case
Dimensions, mm1065x525x305
Weight, kg57
Volume, m30.17