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2A46 125 mm gun
2A46M1 in Motovilikha Plants museum 2.jpg
2A46M1 in Motovilikha Plants museum
Type Smoothbore tank gun
Place of origin USSR
Caliber 125 mm

The 2A46 (D-81T) is a 125mm/L48 smoothbore cannon of Soviet origin used in several main battle tanks. It was developed by the Spetstekhnika design bureau in Ekaterinburg in the 1960s originally for the T-64A tank. They were then manufactured at Artillery Plant No.9 in Ekaterinburg and Motovilikha in Perm. Commercially produced versions 2A46, 2A46M, 2A46M-1 2A46M-2 2A46M-4 2A46M-5 and the KBA-3(Ukrainian).

The 2A46 can fire armour piercing fin-stabilised discarding sabot (APFSDS), high explosive anti-tank (HEAT) and high explosive fragmentation (HEF) projectiles. The ammunition for the 2A46 gun is 2-piece, in that the projectile is loaded first, followed by a separate propellant charge. The early version of the 2A46 suffered from a short barrel life, but this was subsequently fixed on the 2A46M version. The Ukrainian KBA guns are derived from the 2A46 gun.

Tanks using the 2A46

The 2A46 has been used in numerous tanks, though these are almost exclusively Soviet/Russian designs or foreign derivatives thereof.

See also


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