The 2S19 Msta-S is a 152.4 mm self-propelled howitzer designed and manufactured by Uraltransmash in the Soviet Union and later in Russia, which entered service in 1989 as the successor to the 2S3 Akatsiya. The vehicle has the running gear of the T-80.
The Msta-S (also known by the GRAU index 2S19) bears the Msta (after the river Msta) howitzer, which was designed for deployment either on a self-propelled vehicle or as a towed gun. The 2S19 Msta-S is the armoured self-propelled howitzer, while the 2A65 Msta-B is a towed gun.