GENERAL SPECIFICATIONS (APIT) This round forms part of 23mm series fired by ZU-23 air defense gun. The projectile is a solid steel body with steel ballistic cap and tracer assembly in the base. The tracer burns for at least 5 seconds.

GENERAL SPECIFICATIONS (HEI) This round is another type of 23mm anti-aircraft series fired by ZU-23 air defense gun. The projectile consists of a steel shell filled with explosive material and ignited by a PD MG-25 nose fuze and the round is equipped with self-destruction mechanism with duration of 5-11 seconds.

GENERAL SPECIFICATIONS (HEIT) This round is the same as HEI type being fired by ZU-23 air defense gun but with tracer assembly burning for at least 5 seconds.