ZIS-4M (57 mm)

Description

The Zis-4M was developed in the beginning of 1940 when the design office of V.G. Garbin received a task to create a powerful anti tank gun. It is an automated-action gun with a breech loader. When firing the block opens automatically and the loader has to put in a round.

Vehicles equipped with this weapon

• T-34-57 (1943)

General info

The elevation on the gun can go from -5 degrees to 25 degrees. It has a traverse of 56 degrees, and the rate of fire is from 10-25 rpm.

Available shells

Penetration statistics
Ammunition	Type of warhead	Penetration @ 0° Angle of Attack (mm)
		10 m	100 m	500 m	1,000 m	1,500 m	2,000 m
BR-271	APHEBC	145	143	132	119	108	98
BR-271K	APHE	145	143	132	119	108	98
O-271	HE	5	5	5	5	5	5
BR-271P	APCR	185	183	147	111	84	64

Shell details
Ammunition	Type of warhead	Velocity (m/s)	Projectile Mass (kg)	Fuse delay (m)	Fuse sensitivity (mm)	Explosive Mass (TNT equivalent) (g)	Ricochet
							0%	50%	100%
BR-271	APHEBC	990	3.14	1.2	15	21.56	48°	63°	71°
BR-271K	APHE	990	3.14	0.6	20	27.72	47°	60°	65°
O-271	HE	700	3.72	0.4	0.01	220	79°	80°	81°
BR-271P	APCR	1270	1.79	N/A	N/A	N/A	66°	70°	72°

Comparison with analogues

The most similar gun is the Ordnance QF 6-Pounder. It was used as the main armament for a number of AFVs like the ZiS-4M.

Usage in battles

Pros and cons

Pros:

Cons:

Media

An excellent addition to the article would be a video guide, as well as screenshots from the game and photos.

See also

PaK40/3 L46 (75 mm)

External links

• https://en.wikipedia.org/wiki/57_mm_anti-tank_gun_M1943_(ZiS-2)