Browning-Colt Mk12 Mod 0 (20 mm)

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The Browning Colt Mk12 is a 20 mm autocannon used by the United States Navy in many naval fighters and attack aircraft from the 1950s. It was a further development of the Hispano HS 404 cannon that had been on many British, French and some American planes. Both its rate of fire and muzzle velocity are high, making it easy to shoot down high speed targets.

Vehicles equipped with this weapon

General info

The cannon is capable of firing up to 1,000 rounds per minute, the shell velocity of all types is 1020 m/s and the one second burst mass is 1,825 kg. The explosive mass of HE shells is 14 g, enough to cause a significant amount of damage to a wing with the single hit. Its accuracy it quite good, however it has two times higher shell spread than for example the M3 Browning machine gun.

Available ammunition

The Mk 12 cannon fires 20 x 110 mm USN ammunition, which was developed from the 20 x 110 mm Hispano-Suiza ammunition used by the AN/M2 and AN/M3 cannons.

The Mk 12 Mod 0 cannon can be equipped with the following belts:

  • Default: AP-T · HEI · HEI
These are comprised of Mk 106 HEI and Mk 108 AP-T rounds and are the stock belts that come with the cannon.
  • Universal: AP-T · HEI
These general-purpose belt is made up half HEI rounds and half AP-T rounds.
  • Ground targets: AP-T · AP-T · HEI · AP-I
Intended to be used against armoured ground targets, this belt is made up almost entirely of armour-piercing ammunition. It features Mk 106 HEI, Mk 107 AP-I, and Mk 108 AP-T rounds.
  • Air targets: AP-T · HEI · AP-I · HEI
This belt is arranged in much the same way as the Universal belts. However, every fourth round is now a Mk 107 AP-I round.
  • Stealth: AP-I · HEI · HEI · HEI
This belt contains the most HEI rounds of any available for the Mk 12, with Mk 106 HEI and Mk 107 AP-I rounds.
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 42 39 27 18 11 7
Universal 42 39 27 18 11 7
Ground targets 42 39 27 18 11 7
Air targets 42 39 27 18 11 7
Stealth 42 39 27 18 11 7

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


  • High rate of fire
  • Good at intercepting high speed targets due to high muzzle velocity
  • Rarely jams


  • Low amount of ammunition per gun
  • Inaccurate when fired in long bursts


The Browning-Colt Mk 12 is a variant of the Hispano 404 series of automatic cannons. Developed in the 1950s, it uses the same basic design as the preceding M24A1, but this new design for the United States Navy and Marine Corps uses a lighter projectile for a better rate of fire and higher muzzle velocity. The Mk 12 Mod 0, the base model, came about after experience from the Korean War showed that the .50 calibre machine guns such as the M3 Browning was an insufficient armament for fighter jets. The Mk 12 was used on the F3H-2 Demon, F4D-1 Skyray, A-4 Skyhawk, early versions of the A-7 Corsair II, F11F-1 Tigers and most notably on the Vought F-8 Crusader which was dubbed the "last of the gunfighters" as the United States Armed Forces planned to move away completely from autocannons or guns in favour of missiles. The Mk 12 did not have an illustrious career on the F-8. Despite the nickname, the Mk 12 was prone to jamming during dog-fighting manoeuvres resulted in only four confirmed victories with the Mk 12 on the F-8. Internationally, it was used by Argentina, Australia, Brazil, France, Kuwait, Malaysia, New Zealand, the Philippines, and Portugal who were all international customers of the A-4 Skyhawk, A-7 Corsair II, and F-8 Crusader. As of 2013, it is still in service with the Skyhawks of the Brazilian Navy and Argentinean Air Force.


Excellent additions to the article would be video guides, screenshots from the game, and photos.

See also

External links

The following documents also contain information about the Mk 12 cannon, as well as other types:

USA aircraft cannons
20 mm  AN/M2 · Browning-Colt Mk12 Mod 0 · Browning-Colt Mk12 Mod 3 · FMC T-160
  M3 · M24A1 · M39 · M39A1 · M39A2 · M39A3 · M61A1 · M195 · M197 · Mk 11 · Mk 11 mod 5 · T31
30 mm  M230E-1 · XM140 · GAU-8/A · GAU-13/A · LR30
37 mm  M4 · M9 · M10
40 mm  M75 · 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)