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Ammo (WoWP)

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Ammo Type

Available for all weapons:

Wowp_modulesIconBeltMixed.pngStandard: Moderately effective at all distances. No chance of setting opponent on fire.

Wowp_modulesIconBeltSeaGreen.pngArmor-Piercing: Higher damage at greater distances. No chance of setting opponent on fire.

Wowp_modulesIconBeltExplosive.pngIncendiary: Lower damage at greater distances. 20% chance to set opponent on fire.

Available for all machine guns, as well as American, Soviet, and Japanese autocannons:

Wowp_modulesIconBeltViolet.pngArmor-Piercing-Incendiary: Slightly more damage at greater distances. 15% chance to set opponent on fire.

Only available for autocannons (20 mm+):

Wowp_modulesIconBeltArmourPiercing.pngSolid Core Armor-Piercing: Significantly higher damage at greater distances. No chance to set opponent on fire. Germany only.

Wowp_modulesIconBeltYellowLight.pngHigh Explosive-Incendiary: Lower damage at short distances. Significantly more damage at greater distances. 30% chance to set opponent on fire.

Wowp_modulesIconBeltPurple.pngHigh Explosive: Lower damage at short distances. Even higher damage at greater distances. 10% chance to set opponent on fire.


In general the game assigns higher armor penetration values to higher calibers. Shooting a heavily armored target with a low caliber will result in very low damage or possibly no damage at all. It's no where near as extreme as in World of Tanks, but it's still an important consideration. There are a few points to be made in regards to this statement:

  • What the game refers to as "caliber" is the diameter of the barrel the cartridge is fired from. For simplicity, the game lists ammunition for all nations in millimeters, even though they did not historically use the metric system. The one exception to this is the .303 British.
  • Different planes and ground targets in the game have varying amounts of armor. It isn't listed anywhere, so there's no way to quantitatively compare one plane to another. In general, heavy fighters and attack planes have the strongest armor, in addition to having the most hit points. Armor also generally increases along with tiers. Ground targets are marked as light, medium, or heavy.
  • We also don't know if the game looks at muzzle velocity in regards to armor penetration. It does list muzzle velocity, but it may just be there for bullet travel calculations.
  • We do not know if the game considers cartridge length (For example, does the game consider the American and Soviet 7.62 mm the same, or does it know that they're different lengths, with the longer one being more powerful?). Play testing leans towards the game considering them the same. Unless the Devs tell us though , there's no way to be certain.

In any case, we know that beyond the first two tiers, low caliber weapons such as 7.62 mm quickly become incapable of doing much damage. On some planes, which have larger caliber weapons and a few small caliber weapons, the player can use incendiary ammunition on the low caliber weapons. Since they don't do much damage anyway, losing some damage won't matter, but the chance of lighting the target on fire remains, regardless of armor.


The exact effective range varies depending on the weapon, but in general machine guns have the shortest effective range, followed by heavy machine guns, with autocannons having the highest effective range.

Caliber Effective Range Maximum Range
Light MG (.30 cal/8 mm) 400 550
Heavy MG (.50 cal/13 mm) 500 700
20 mm AC 700 1000
30 mm AC 800 1200
  • Maximum Range is defined as where the projectile vanishes from the world and does no damage.

Full Names of Machine Gun Ammo

7.62x51 mm - USA. Historically known as ".30 cal." Sometimes referred to as "7.62 mm NATO" in modern times. Seems to be the weakest in the game.
7.62x54 mm R - USSR. Originally developed for the Maxim machine gun. Hard to see any difference from the 7.62 used by the USA in the game. However, at low tiers, the USSR planes have more guns.
.303 - UK. Somewhat more powerful than either of the 7.62 mm.
7.7x58 mm Arisaka - Japanese. Virtually identical to the .303 rounds (Wikipedia says they started by copying the British .303).
7.92x57 mm Mauser - Germany. Seems to be the most powerful non-12.7 mm machine gun round.
12.7x99 mm - USA. Historically known as ".50 cal." A much more powerful heavy machine gun round.
12.7x108 mm - USSR. Might be slightly more powerful than the 12.7 used by the USA, but seems about the same.
13 mm MG-131 - Germany. Designed to replace 7.92mm machine guns on German aircraft for increased armor penetration.

The USA and USSR were the primary users of heavy machine guns. The UK, Japanese, and Germany began using autocannons earlier instead. The USA in particular made extensive use of heavy machine gun armament. Germany did use some heavy machine guns, but not extensively and only as secondary armament.

Judging from Wikipedia, it does not appear that the USSR ever used their popular 7.62x39 mm cartridge on aircraft.