Field gun (classified as a divisional gun), used for anti-tank defense and direct infantry support.
Design
Semi-automatic vertical sliding-wedge breechblock. Carriage features steel wheels with solid rubber tires. Hydropneumatic recoil system. Split trails. Sprung undercarriage. Steel gun shield. Designed for horse or motor traction. Tactical and Technical Data
76.2 mm Model 1942 ZiS-3
Design specifications – caliber 76.2 mm; barrel length 42.6 calibers (3.246 m); rifled barrel with a muzzle brake; elevation range -5° to +37°; horizontal traverse (arc of fire) 54°.
Ammunition – fixed (unitary) rounds, armor-piercing or high-explosive fragmentation; weight of the standard projectile: 6.23 kg.
Ballistic data – muzzle velocity 680 m/s; maximum range 13,290 m; effective firing range 600–1,500 m; direct-fire range 700 m; armor penetration capability: 108 mm of armor at a distance of 1,000 m (at a 90° impact angle).
Operational data – theoretical rate of fire: 25 rounds/min; practical rate of fire: 15–16 rounds/min.
Weights – combat weight 1,116 kg; travel (towed) weight 2,150 kg.
Crew – 6 personnel.
