BK 7.5 (75 mm)

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The 75 mm BK 7.5 is an German air-mounted cannon armament. An exclusive armament to the Hs 129 B-3, it fire shells similar to that of the tank armament PaK40, bringing quality anti-tank power from the air against armoured targets.

Vehicles equipped with this weapon

General info

A large calibre weapon mounted on an aircraft, the 75 mm can deliver a good amount of fire onto target if the plane is flown right for the weapon system to be utilised. The user must be experienced in its usage as its mount design on an aircraft as well as its rather slow rate of fire mean that a user will have one, or maybe two, shot onto target before the plane passes over.

Available ammunition

  • Default: APHE
  • Armored targets: HVAP-T
  • Ground targets: HEI-T
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 137 135 123 110 98 88
Armored targets 163 159 143 126 110 96
Ground targets 10 10 10 10 10 10
Belt details
Belt Type of
Mass (kg)
Fuse delay
Fuse sensitivity
Explosive Mass
(TNT equivalent) (g)
0% 50% 100%
Default APHE 740 6.8 1.2 14 28.9 48° 63° 71°
Armored targets HVAP-T 919 4.1 N/A N/A N/A 66° 70° 72°
Ground targets HEI-T 700 5.74 0 0.1 680 79° 80° 81°

Comparison with analogues

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Usage in battles

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Pros and cons

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 If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: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


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;
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Germany aircraft cannons
15 mm  MG 151
20 mm  MG 151 · MG C/30L · MG FF · MG FF/M
30 mm  MK 101 · MK 103 · MK 108
37 mm  BK 3.7
50 mm  BK 5 · Mk.214a
75 mm  BK 7.5
20 mm  Hispano Mk.V (Britain) · M24A1 (USA) · M61A1 (USA) · ShVAK (USSR)
23 mm  GSh-23L (USSR) · NR-23 (USSR) · VYa-23 (USSR)
30 mm  DEFA 552 (France) · GSh-30-2K (USSR) · NR-30 (USSR)
37 mm  N-37D (USSR)