AN/M2 (20 mm)

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This page is about the aircraft cannon AN/M2 (20 mm). For the naval machine gun, see AN-M2 (12.7 mm). For other uses, see M2 (Disambiguation).


The AN/M2 (20 mm) is the US made variant of the HS.404 (20 mm) auto cannon produced by the French company Hispano-Suiza in the mid-1930s. This cannon was typically utilized on aircraft and was fitted to airframes such as the D.520, F6F-5N and the P-61C-1.

Vehicles equipped with this weapon

Vehicles equipped with this weapon
Fighters  F4U-1C Corsair · F6F-5N · ▄F6F-5N · XP-55 Ascender
Twin-engine fighters  P-38E Lightning · P-38G-1 Lightning · XP-38G · P-38J-15 Lightning · Richard Bong's P-38J-15 Lightning · P-38K Lightning · P-38L-5-LO Lightning
  P-61A-1 · P-61C-1 · XP-50
Bombers  BTD-1 Destroyer · SB2C-1c Helldiver · SB2C-4 Helldiver · ▄SB2C-5 Helldiver

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


  • Good default belt, consisting of 2/3rds HEF-I shells, Air targets and stealth belts consist of 3/4ths
  • Good explosive filler
  • Reasonably good rate of fire of 600 RPM


  • API-T shells penetration is lacklustre and struggles in CAS.
  • Stealth belts contain 1/4th practice shells, effectively the ball ammo of cannon calibres
  • Tends to jam a lot if fired continuously
  • Quite inaccurate unless upgraded.


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 If the historical reference turns out to be too big, take it to a separate article, taking a link to an article about the vehicle and adding a block "/ History" (example: and add a link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

USA aircraft cannons
20 mm  AN/M2 · AN/M3 · FMC T-160 · Browning-Colt Mk12 Mod 3 · M24A1 · M39A1 · M195 · M197 · T31
30 mm  XM140
37 mm  M4 · M10
40 mm  M129
75 mm  T13E1 · M10
20 mm  MG 151/20 (Germany) · Hispano Mk.II (Britain) · Type 99 Model 1 (Japan) · Hispano 404 (France)