ARMOUR-PIERCING BULLET FOR SMALL ARMS Russian patent published in 2012 - IPC F42B12/00 F42B12/40 F42B12/06 F42B30/02 

FIELD: weapons and ammunition.

SUBSTANCE: armour-piercing bullet comprises a shell, a jacket, a hard-alloy core and a lubricant. The shell has a head cone-shaped part. The core has a sharpened top in a head part. The area between the inner surface of the head part of the shell and the external head part of the core is filled with the lubricant. In the top of the head cone-shaped part of the shell there is a through hole. The hard-alloy core is placed in the jacket, in order to observe coaxiality of the cylindrical part of the core and the hole in the top of the head part of the shell. The jacket is made from an elastic-plastic polymer material. At least 60% of the cylindrical part of the hard-alloy core is in the jacket. The length of the hard-alloy core is equal to (2.02-3.58)d, and the diameter of the cylindrical part is equal to (0.71-0.86)d. The length of the sharpened top of the head part of the core is equal to (0.58-3.70)d, and the diameter of the hole in the top of the head cone-shaped part of the shell is equal to (0.13-0.18)d, where d-diameter of bullet calibre. The weight of the hard-alloy core is equal to (0.57-0.86) of the bullet weight.

EFFECT: higher piercing capacity of an armour-piercing bullet.

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