125 mm Modernized Tank Gun 2A 46MS for T-72 M2 MBT,

2A46MS smooth bore tank gun is a modernized version of 2A46 gun used in T-72 MBT series. 2A46MS is designed for the Slovak T-72 M2 modernized tank to increase its efficiency and accuracy of fire. The modernized gun is one of the most important elements of the whole modernized tank as it provides for increased first hit probability that is essential on a modern battlefield of today. Increased accuracy secured through 2A46MS modernized gun is closely connected with T-72 M2 combat efficiency and survivability.

2A46MS gun maintains the same mechanical interface with the turret of T-72 MBT as the original 2A46 gun. Increased accuracy of the modernized gun was achieved by:

• redesigning the breech block of the gun to make it more symmetric,
• decreasing resistance of the recoil break while projectile is moving in the barrel,
• removing the recoil break axis below the main gun axis in the azimuth plain,
• using two recuperators acting against each other and placing them above the main gun axis.

First hit probability of 2A46MS modernized gun compared to the original 2A46 gun was increased by 23%. In conjunction with a FCS of T-72 M2 MBT this value was even more enhanced. T-72 M2 MBT with 2A46MS modernized gun was qualified for the Slovak Army.