ZIS-4M (57 mm)

Description

The 57 mm ZIS-4M is a Soviet tank cannon.

Vehicles equipped with this weapon

• T-34-57 (1943)

General info

Tell us about the tactical and technical characteristics of the cannon or machine gun.

Available shells

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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 ZIS-4M's characteristics are identical to the following cannons:

• ZIS-2 (57 mm)
• ZIS-4 (57 mm)

The only difference is that the ZIS-4M can fire an APCR shot.

Usage in battles

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Pros and cons

Summarize and briefly evaluate the weaponry in terms of its characteristics and combat effectiveness. Mark pros and cons as a list.

Pros:

• High penetration power

Cons:

• Small calibre gives it poorer post-penetration damage than 75 mm cannons

History

Examine the history of the creation and combat usage of this weapon. If the historical reference turns out to be too big, take it to a separate article, taking a link to an article about the vehicle and adding a block "/ History" (example: https://wiki.warthunder.com/(weapon-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref>, as well as adding them at the end of the article.

Media

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

See also

Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:

• reference to the article about the variant of the cannon/machine gun;
• references to approximate analogues by other nations and research trees.

External links

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• topic on the official game forum;
• other literature.