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3VBK7
The 3VBK7 (3ВБК7) round features the 3BK12 (3БК12) 125 mm high explosive, anti-tank fin-stabilised tracer (HEAT-FS-T) projectile, and the 4Zh40 (4Ж40) or 4Zh52 (4Ж52) charge. The 3VBK7 round, 3BK12 projectile, and 4Zh40 charge system were all adopted around 1968. The adoption date for the 4Zh52 is unclear. The 3VBK7 round, its short-form designation VBK7 (ВБК7), is used by 125 mm tank guns, such as the 2А26, 2А46, and 2A82 family, along wit...
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