ShVAK (20 mm)

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The ShVAK (Russian: ШВАК: Шпитальный-Владимиров Авиационный Крупнокалиберный, Shpitalnyi-Vladimirov Aviatsionnyi Krupnokalibernyi, Shpitalny-Vladimirov large-calibre for aircraft) is a 20 mm autocannon which could be mounted on aircraft, either in the wings, the fuselage or in turrets. There are 3 variants of the ShVAK, 'standard' ShVAK, 'early' ShVAK (which lacks API and FI bullets), and the ShVAKs which is a standard Shvak synchronized and regulated to fire through a propeller arc without destroying the propeller. The synchronized ShVAK has a lower rate of fire compared to the other versions.

The turreted ShVAK has the same characteristics as the standard wing or fuselage mounted ShVAK cannons.

Vehicles equipped with 'early' ShVAK

Vehicles equipped with 'standard' ShVAK or turreted ShVAK

Vehicles equipped with this weapon
Fighters  LaGG-3-11 · LaGG-3-23 · LaGG-3-35 · LaGG-3-4 · LaGG-3-66 · LaGG-3-8 · ▂Hurricane Mk IIB
  Yak-1 · Yak-1B · ▀Yak-1B · Yak-3 · ▄Yak-3 · Yak-7B · Yak-9 · Yak-9B · Golovachev's Yak-9M · Yak-9U
Twin-engine fighters  I-29 · Pe-3bis
Attackers  IL-2 (1941) · Yak-2 KABB
Bombers  Pe-8 (Defensive) · Tu-2 · Tu-2S · Tu-2S-44 · Tu-2S-59 · Yer-2 (ACh-30B) Early (Defensive) · Yer-2 (ACh-30B) Late (Defensive)
Ships  G-5 Type (ShVAK)

Vehicles equipped with ShVAKs

Vehicles equipped with this weapon
I-185  I-185 (M-71) · I-185 (M-82)
La-5  La-5 · La-5F · La-5FN · ▀La-5FN
La-7  La-7 · Dolgushin's La-7
Other  I-225 · MiG-3-34

General info

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Available shells

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Comparison with analogues

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Usage in battles

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Pros and cons


  • Decent fire rate at 720 RPM
  • Good accuracy even during prolonged bursts


  • Poor explosive effect compared to 20 mm shells of other nations
  • Struggles against large framed and heavily armoured aircraft
  • Slow muzzle velocity
  • Useless at defeating armour


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 If the historical reference turns out to be too big, take it to a separate article, taking a link to an article about the vehicle and adding a block "/ History" (example: and add a link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.


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

See also

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  • 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;
  • encyclopedia page on the weapon;
  • other literature.

USSR aircraft cannons
20 mm  ShVAK · B-20E · B-20M · B-20S
23 mm  VYa-23 · NS-23 · NS-23K · NR-23 · PTB-23 · GSh-23L · GSh-23-2
30 mm  NR-30 · GSh-30-2K
37 mm  NS-37 · N-37 · N-37D
45 mm  NS-45
20 mm  MG 151/20 (Germany)
37 mm  M4 (USA) · M10 (USA)

USSR naval cannons
20 mm  ShVAK
25 mm  2M-3
30 mm  AK-230 · BP «Plamya»
37 mm  70-K
45 mm  21-K
57 mm  AK-725
76 mm  34-K · 39-K · AK-726 · D-56T · F-34 · Lender pattern 1914/15
85 mm  90-K · ZiS-C-53
100 mm  B-34 · Minizini
102 mm  Pattern 1911
130 mm  B-13 · 130 mm/50 pattern 1913
180 mm  B-1-K · B-1-P