
Image source: vestnik-rm.ru
The special military operation demonstrated that along with well-known tracked self-propelled guns, such as 2S1, 2S3, 2S19 and 2S7, and others, smaller-caliber artillery systems can also work effectively against the enemy, for example, AZP-57 anti-aircraft guns of the well-known Russian S-60 air defense system.
Such guns are mounted on various wheeled and tracked platforms. The most common variants were on the Ural-4320 chassis.

Image source: vestnik-rm.ru
Russia has probably created the best version of self-propelled guns with such weapons. This is a sample based on the latest AMN - 590911 Spartak three-axle armored car.
As reported, its combat weight is 22,500 kg. Ammunition - 144 shells. Engine power - 312 hp. Power reserve - 1000 km. The depth of the ford to be overcome is 1.5 meters.
The maximum firing range is 12,000 m. The mass of the projectile is 2.8 kg. The initial speed reaches 1000 meters per second. The practical rate of fire is 70 rounds per minute, the maximum is up to 120. The crew consists of five people.

Image source: vestnik-rm.ru
The ACS is designed to destroy field fortifications, various types of light armored vehicles, as well as enemy manpower.
Lev Romanov