KO-7VM ROUND WITH KO-7M HOLLOW-CHARGE FRAGMENTATION GRENADE

It is intended for destroying tanks, self-propelled guns and other armour-protected fire power and mechanized troops, for defeating enemy troops in the open, in trenches, light field-type shelters and urban-type brick fortifications. The grenade warhead is a combination of a hollow-charge fragmentation bursting charge and semiready fragments.

Characteristics

Grenade launcher caliber, mm	40
Warhead caliber, mm	57
Round weight, kg	3,590
Grenade weight, kg	3,210
Propellant charge weight, kg	0,390
Number of fragments 2 g in weight	270
Muzzle velocity, m/s	85
Maximum range, m	2900
Sighting range, m	1200
Armor penetration of steel homogeneous armor, mm	260
Safe operational temperature range, oC	-40…50
Rate of fire, rds/min	4…6