D-91T ( GRAU Index - 2A66 ) - Soviet smoothbore tank gun .
Smoothbore 125 mm high ballistic gun 2A66 (D-91T).
GRAU index: 2A66.
Military designation: D-91T.
Caliber: 125
Installation place: "about. 187. "
Type: Smoothbore
The gun was distinguished by the presence of a muzzle brake of a single-chamber design of reduced efficiency. The main purpose of the muzzle brake is the removal of shot gases from the line of sight of the guided missile guidance system.
According to one information [1] Development of the Central Research Institute "Burevestnik" (Nizhny Novgorod) According to other information [2] The gun was developed by the Design Bureau of Plant No. 9 (Sverdlovsk)