AN/M2 (20 mm)

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).

Description

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.

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

Penetration statistics
Belt	Penetration @ 0° Angle of Attack (mm)
	10 m	100 m	500 m	1,000 m	1,500 m	2,000 m
Default	33	31	27	24	19	14
Universal	33	31	27	24	19	14
Ground targets	33	31	27	24	19	14
Air targets	33	31	27	24	19	14
Stealth	17	15	12	7	6	4

Comparison with analogues

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Usage in battles

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Pros and cons

Pros:

• 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

Cons:

• 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.

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 If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: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

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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.