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) autocannon produced by the French company Hispano-Suiza in the mid-1930s. This cannon was typically utilised 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 · F6F-5N · ▄F6F-5N · XP-55
Twin-engine fighters  P-38E · P-38G-1 · XP-38G · P-38J-15 · Bong's P-38J-15 · P-38K · P-38L-5-LO · ␗P-38L-1
  P-61A-1 · P-61C-1 · XP-50
Bombers  BTD-1 · SB2C-1c · SB2C-4 · ▄SB2C-5

General info

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

Available ammunition

  • Default: HEF-I · HEF-I · AP-T
  • Universal: HEF-I · AP-T
  • Ground targets: AP-T · AP-T · HEF-I · P
  • Air targets: HEF-I · AP-T · HEF-I · HEF-I
  • Stealth: HEF-I · HEF-I · HEF-I · P

Comparison with analogues

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

Usage in battles

Describe the cannon/machine gun in the game - its distinctive features, tactics of usage against notable opponents. Please don't write a "guide" - do not impose a single point of view, but give the reader food for thought.

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 If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: and add a link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


Excellent additions to the article would be video guides, 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 · Browning-Colt Mk12 Mod 0 · Browning-Colt Mk12 Mod 3 · FMC T-160
  M3 · M24A1 · M39A1 · M61 · M195 · M197 · Mk 11 · Mk 11 mod 5 · T31
30 mm  M230E-1 · XM140
37 mm  M4 · M10
40 mm  M129
75 mm  M10 · T13E1
20 mm  Hispano 404 (France) · Hispano Mk.II (Britain) · MG 151 (Germany) · Type 99 Model 1 (Japan)
30 mm  ADEN Mk.4 (Britain)

China aircraft cannons
20 mm  AN/M2 (USA) · B-20E (USSR) · Hispano Mk.II (Britain) · Ho-3 (Japan) · Ho-5 (Japan)
  M39A1 (USA) · M61 (USA) · M61A1 (USA) · ShVAK (USSR) · Type 99 Model 1 (Japan)
23 mm  NR-23 (USSR) · NS-23 (USSR) · NS-23K (USSR) · Type 23-2K
30 mm  Type 30-1
37 mm  Ho-203 (Japan) · N-37D (USSR)

France aircraft cannons
20 mm  GIAT M.621 · Hispano 404 · Hispano HS.9 · M50
30 mm  DEFA 541 · DEFA 551 · DEFA 552 · DEFA 552A · DEFA 553 · GIAT M781
20 mm  AN/M2 (USA) · M3 (USA) · M24A1 (USA) · M39A1 (USA) · MG 151 (Germany) · ShVAK (USSR)
37 mm  M10 (USA) · NS-37 (USSR)