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3BK12
The 3BK12 (3БК12) is a 125 mm high explosive, anti-tank fin-stabilised tracer (HEAT-FS-T) projectile, which features a single shaped charge, the I-238 (И-238) fuzing system, and a varying-diameter tail boom. The 3BK12 projectile, its short-form designation BK12 (БК12), is used in conjunction with the 4Zh40 (4Ж40) or 4Zh52 (4Ж52) charges (see separate entries), forming the 3VBK7 (3ВБК7) round. The 3VBK7 round is used by 125 mm tank guns, s...
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