SHOT FOR AN AUTOMATIC GRENADE LAUNCHER Russian patent published in 2022 - IPC F42B12/24 

FIELD: weapons.

SUBSTANCE: invention relates to shots with high-explosive fragmentation grenades for firing automatic grenade launchers. The shot comprises a head fuze and a fragmentation body with a leading band, equipped with crushing localisers distributed equally along the height of the chamber, in the form of annular corrugations with a wedge-shaped section with a depth of 0.25 to 0.5 wall thickness on the side of the chamber filled with explosives. The body is connected with a cartridge carrying a propellant powder charge initiated by a bottom igniter primer. The annular corrugations have a rounded wedge angle with a radius of 0.4 to 0.5 of the depth. The first annular corrugation from the side of the bottom of the chamber is distanced at a step between the corrugations from the groove for the leading band, made of copper. The mouth of the cartridge is connected with the body by rolling into the ammunition groove. The angle of wedge-shaped corrugation is selected in the range of 45 to 90°.

EFFECT: increase in the effectiveness of impact of the munition, increase in the safety when equipping the explosive and when firing.

3 cl, 1 dwg