MSTA-S Modernized Self-Propelled Howitzer of 155mm Caliber (2C19M1-155) is modern self-propelled artillery system equipped with new long-range 155mm gun, automated loading system and improved automated laying and fire control system.
The 155mm MSTA-S self-propelled howitzer can fire only from the halt, both direct and indirect fire without preliminary preparation of firing positions.
The 155mm MSTA-S Modernized Self-Propelled Howitzer equipped with improved ALFCS-155 automated laying and fire control system. It provides the firing tasks with the maximum firepower at any time, under various weather conditions and at all seasons of the year taking into account change of initial speed of a shell. The self-propelled howitzer can conduct fire from topographically and geodetically unprepared emplacements through the use of ASUNO-155. The crew works with digital terrain map displayed on monitor screen. The 155-mm MSTA-S 2S19М1-155 self-propelled howitzer is capable of firing various of separately loaded 155mm ammunition NATO standard, as well as KRASNOPOL-M2 laser-guided projectile.
| Caliber, mm | 155 |
| Barrel length, clb | 52 |
| Charge chamber capacity, l | 23 |
| Maximum rate of fire, round/min | 6 - 8 |
| Maximal firing range, km: | |
| HEF projectiles | 30 |
| ERFB BB HEF with gas generator | 41 |
| KRASNOPOL-M2 laser-guided projectiles | 17 |
| Ammunition allowance, pcs. | 45 |
| Ammo loading | automatic round feed and semi-automatic charge feed |
| Firing time from targeting, s | 30 |
| Firing time on the march as part of battalion, min | 3 |