B-20S (20 mm)

This page is about the Soviet cannon B-20S (20 mm). For other versions, see B-20 (20 mm) (Family).

Description

Write an introduction to the article in 2-3 small paragraphs. Briefly tell us about the history of the development and combat using the weaponry and also about its features. Compile a list of air, ground, or naval vehicles that feature this weapon system in the game.

Vehicles equipped with this weapon

• La-7B-20
• Yak-3 (VK-107)
• Yak-3P
• Yak-3T
• Yak-3U
• Yak-9P
• Yak-9UT

General info

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

Available ammunition

• Default: FI-T · AP-I
• Universal: FI-T · HEF · AP-I · FI-T
• Ground targets: HEF · FI-T · AP-I
• Tracers: FI-T · FI-T · FI-T
• Armoured targets: AP-I · FI-T · AP-I · AP-I
• Stealth: AP-I · HEF · HEF · FI

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
FI-T	FI-T	2	2	2	2	2	2
AP-I	AP-I	28	24	14	7	4	2
HEF	HEF	2	2	2	2	2	2
FI	FI	2	2	2	2	2	2

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%
FI-T	FI-T	800	0.1	0.04	0.1	6.36	47°	56°	65°
AP-I	AP-I	800	0.1	N/A	N/A	N/A	47°	56°	65°
HEF	HEF	800	0.1	0.04	0.1	5.8	79°	80°	81°
FI	FI	800	0.1	0.04	0.1	8.62	47°	56°	65°

Comparison with analogues

Give a comparative description of cannons/machine guns that have firepower equal to this weapon.

Usage in battles

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Pros and cons

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Pros:

Cons:

History

Examine the history of the creation and combat usage of the weapon in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: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></ref>, as well as adding them at the end of the article with <references />.

Media

Excellent additions to the article would be video guides, screenshots from the game, and photos.

See also

Related development

• B-20 (20 mm) (Family)

External links

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