In 1984 on the base of 2S9 was developed, and adopted in 1990 120-mm self-propelled gun 2S23 "Nona-SVK".

SPG is intended for suppression of artillery and mortar batteries, missile launchers, armoured targets, destruction of firing means, control posts and enemy manpower, as well as smoking, blinding and illumination of district.

The chassis of the amphibious armoured wheeled personel carier BTR-80 is used for SPG 2S23.

SPG 2S23 can follow tanks, freely cross pits, trenches and water obstacles.

The SPG 2S23 exhibits the destructive power of high-explosive projectile at the target compared with the effect of 152-155-mm high-explosive projectiles.

SPG 2S23 is armed with 120-mm semi-automatic rifled artillery piece with combined breech mechanism, pneumatic rammer and barrel warming-up indicator.

SPG 2S23 is capable to deliver aimed direct and indirect fire without fire position preparation and can fire with all types of 120-mm native and foreign mortar shells.

The additional weapons of SPG include 7,62-mm machine gun mounted on a top of turret, and the smoke-screen system.