FIELD: weapons and ammunition.
SUBSTANCE: armour-piercing bullet consists of bimetal shell, core and inertial material. Inertial material is arranged in front of core, in internal cavity of head part of shell. Centre of mass of bullet is located at the distance of (1.52-1.56)d relative to its end. Master part of shell is arranged in the form of circular ledge with length of (0.4-0.5)L and thickness of (0.11-0.12)d, where L - length of its cylindrical part. Core length makes (3.05-3.15)d, and radius of head part is (6.3-6.4)d, at the same time weight of inertial material makes (0.14-0.19) of core weight, where d - bullet calibre. Master part of shell has hardness of 160-200 HV. Density of inertial material is less than core density. Lead is used as inertial material, and core material is represented by hard alloy.
EFFECT: lower force of obstacle resistance.
4 cl, 1 dwg
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