23 mm ZU-23 twin barrel anti-aircraft gun
The gun was designed and prototyped in the 1950s, final-ized and put into production in the early 1960s. and was mainly equipped with anti-aircraft artillery regiments of former Soviet motorized infantry and tank divisions andanti-aircraft artillery companies of parachute regiments.After its introduction into India, it was mainly used toconduct anti-aircraft operations, but could also be usedto attack armored targets on the ground, The gun's ammunition supply, firing and decomissioning actions are all automatic, thus having a high rate of fire. The structureis simple and easy to maintain, and it takes only 20 seconds to replace the barrel in combat.It has good cross-country mobility and quick change of combat statuson the march.