Rounds for 2A28 Gun mounted on BMP-1

RTB-15MA

Rounds for 2A28 Gun mounted on BMP-1

 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;
TACTICAL-TECHNICAL CHARACTERISTICS RTB-15MA
Caliber, mm 73
Firing Range, m 4 500
Weight of the round, kg 4.570
Weight of the grenade, kg 3.680
Average muzzle velocity, m/s 290
Operational temperature range, °C from minus 40 to 50
The Round consists: 
Fuze AF71
Thermobaric Grenade GTB-9MA
Propellant Charge CP-1521
Weapon Systems:

2A28 Gun mounted on BMP-1.

PACKING:
  • 6 Rounds are packed in a wooden case as follows:
  • 6 Grenades GTB-9MA (each one in airtight plastic bag)
    and 6 Propellant Charges (3 in a plastic containers).
Wooden case:

Dimensions, mm                          1 065x525x305         

Weight, kg                                        57
Volume, m3                                                 0.17

CLASS OF EXPLOSION HAZARD:       1.1F, UN 0292