It is intended for use against enemy manpower located in the open, in trenches, field-type shelters or brick fortifications. The grenade is fitted with a warhead containing prefabricated fragments and a more powerful explosive that almost doubles its combat power.
| Caliber, mm | 73 |
| Round weight, kg | 4,570 |
| Grenade weight, kg | 3,680 |
| Propellant charge weight, kg | 0,890 |
| Muzzle velocity, m/s | 310 |
| Maximum range, m | 4500 |
| Safe operational temperature range, °C | -40…50 |
| Rate of fire, rds/min | 6…8 |
| Dimension, mm | 1082x520x298 |
| 6 rounds in a case | |
| Gross weight, kg | 52 |
2A28 gun mounted on the BMP-1 vehicle
