57 mm ZiS-2

57 mm ZiS-2
Name	57 mm ZiS-2
Origin	Soviet Union
Type	Anti-tank gun
Service	1941–1950s
Used by	Red Army, Soviet Airborne Forces
Designer	Vasily Grabin
Design date	1939
Manufacturer	Arsenal Factory, Factory No. 92 (Motovilikha Plants)
Production date	1941–1945
Number	~12,000
Weight	1,250 kg (combat)
Part length	4.6 m (L/73)
Cartridge	57×480mmR
Caliber	57 mm
Rate	12–15 rpm
Velocity	1,000–1,050 m/s
Range	4,000 m (effective direct fire)
Carriage	split trail

57 mm ZiS-2

The 57 mm ZiS-2 was a high-velocity Soviet anti-tank gun developed on the eve of World War II to counter contemporary Panzerkampfwagen designs and later heavier armour such as the Panzer IV, Tiger I, and Panzer V Panther. Conceived by a team led by Vasily Grabin at Factory No. 92 (Motovilikha Plants), it combined a long, slender barrel with a powerful cartridge to achieve exceptional muzzle velocity and penetration for its caliber. The weapon saw frontline service with the Red Army during major operations including the Battle of Moscow, the Battle of Stalingrad, and the Operation Bagration offensive.

Development and Design

Development began in 1939 under the exigencies set by the Soviet high command and the People's Commissariat of Defense, reacting to intelligence on Wehrmacht armour and lessons from the Spanish Civil War. Designer Vasily Grabin and engineers at Factory No. 92 (Motovilikha Plants) produced a compact, high-pressure system using a 57×480mmR cartridge to maximize kinetic energy. The ZiS-2 employed a long L/73 barrel, a two-wheel split trail carriage influenced by contemporary designs at Kirov Plant and Bolshevik Factory, and an innovative recoil mechanism analogous to solutions trialed at Krasny Putilovets. Official trials involved representatives from the Main Artillery Directorate (GAU) and field tests near Kharkiv and Leningrad.

Technical Specifications

The gun’s 57 mm caliber bore and 4.6 m L/73 barrel produced muzzle velocities around 1,000–1,050 m/s with AP rounds, delivering high sectional density and penetration against sloped plates typical of Panzer IV frontal armor and later Panther side armor at combat ranges. The split trail carriage allowed 60° traverse and elevation from -5° to +25°, facilitating ambush tactics used at Kursk and on the approaches to Moscow. The mount and breech design incorporated hardened steels from Magnitogorsk Iron and Steel Works and manufacturing practices standardized across Soviet armaments factories during GKO wartime production directives. The gun could be towed by a GAZ-AA truck or prime movers such as the Komsomolets artillery tractor.

Service History

Introduced in 1941, initial units were rushed to front sectors during the Operation Barbarossa crisis where they performed well in anti-tank roles during the defense of Moscow and later in Leningrad siege actions. The ZiS-2 saw extensive combat during the Battle of Stalingrad, the Third Battle of Kharkov, and the massive Battle of Kursk where its high velocity was advantageous in countering concentrated Panzer assaults. Tactical employment evolved via directives from Soviet General Staff staff officers; batteries were often integrated with anti-tank brigades and infantry divisions. Production was curtailed in 1941–1942 due to material shortages and a doctrinal shift favoring larger calibers, but resumed and increased during Operation Bagration in 1944.

Ammunition and Ballistics

Primary ammunition types included Armor-Piercing (AP), Armor-Piercing Composite Rigid (APCR), and High-Explosive (HE) rounds developed at the Central Artillery Experimental Range and tested by institutes linked to NII-48 and TsNIITochMash. AP rounds achieved penetration comparable to early 88 mm FlaK performance at medium ranges for its weight class, while APCR variants improved penetration against rolled homogeneous armor used on Tiger I and Panther frontal plates at 500–1,000 m. Ballistic tables issued by the GAU guided crews on range estimation and sighting corrections under conditions similar to those at Smolensk and in the Baltic theater.

Variants and Modifications

Variants included towed and fixed mounts, experimental anti-aircraft adaptations trialed by units attached to PVO formations, and naval conversions evaluated for use on Soviet Navy patrol craft. Field modifications by ordnance units produced changes to trails, gun shields, and sighting equipment using optics from Kiev Optics Factory and stabilization aids inspired by designs at TsSKB-Progress. Postwar developments influenced export models supplied to allies such as Warsaw Pact members and client states in Eastern Bloc deployments.

Operators and Deployment

Primary operator was the Red Army with allocations to Soviet Airborne Forces regiments and independent anti-tank battalions. Captured guns were used by the Wehrmacht and re-designated in German inventories; examples also saw service with Romanian Armed Forces, Bulgarian People's Army, and postwar with PLA units after Soviet export programs. Deployment patterns reflected Soviet doctrine of distributing anti-tank assets across fronts and concentrating batteries in counterattack formations during operations such as Vistula–Oder Offensive.

Legacy and Influence on Anti-Tank Artillery

The ZiS-2 influenced postwar anti-tank gun design by demonstrating the effectiveness of high-velocity, small-caliber projectiles against heavier armor, shaping development at institutions like ARTYOM Mechanical Plant and influencing NATO assessments at Royal Armoured Corps and United States Army Ground Forces (AGF). Its performance informed transition to recoilless rifles and anti-tank guided missiles by research organizations including KB Mashinostroyeniya and NPO Mashinostroyeniya, and its production experience contributed to postwar doctrines in the Warsaw Pact and export policies toward states such as North Korea and Vietnam.

Category:Anti-tank guns