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Gun, Air Defence Artillery, Self-Propelled: 20-mm, M163
General characteristics
4 peopleCrew
117 %Visibility
front / side / backArmour
38 / 44 / 38Hull
17 / 17 / 17Turret
11.2 tWeight
404 hp212 hpEngine power
36.1 hp/t18.9 hp/tPower-to-weight ratio
70 km/h forward
17 km/h back
65 km/h forward
15 km/h back
20 mm M168 cannonMain weapon
2200 roundsAmmunition
20 / 26 sReload
1100 roundsBelt capacity
3000 shots/minFire rate
-5° / 80°Vertical guidance
120000 Rp icon.pngResearch
300000 Sl icon.pngPurchase
Sl icon.png3800 / 5244/2400 / 3312/11330 / 15635Repair
85000 Sl icon.pngCrew training
300000 Sl icon.pngExperts
1200 Ge icon.pngAces
196 % Rp icon.pngReward for battle
180 % Sl icon.png120 % Sl icon.png130 % Sl icon.png


The Gun, Air Defence Artillery, Self-Propelled: 20-mm, M163 is a rank V American self-propelled anti-aircraft gun with a battle rating of 8.0 (AB/RB/SB). It was introduced in Update 1.63 "Desert Hunters".

General info

Survivability and armour

Describe armour protection. Note the most well protected and key weak areas. Appreciate the layout of modules as well as the number and location of crew members. Is the level of armour protection sufficient, is the placement of modules helpful for survival in combat?

If necessary use a visual template to indicate the most secure and weak zones of the armour.


Write about the mobility of the ground vehicle. Estimate the specific power and manoeuvrability as well as the maximum speed forward and backward.


Main armament

A 20mm VADS, or Vulcan air defense system. Used during the Vietnam war, it was a 20mm air cooled mini gun attached to a small turret on the M113. Dangerous to anything in the sky, it will lock on and rip through anything in it’s path.

Usage in battles

Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).

Pros and cons


  • Amphibious
  • Quick acceleration
  • Good traverse, especially when fully upgraded
  • Insane rate of fire of 3000 rpm; can literally shred incoming enemy aircraft.


  • Light armour
  • Not keen to climbing hills until performance modules are equipped
  • Relatively slow for the rank
  • Slow in water
  • Inaccurate/wobbly in water
  • One of the longest rearm/reload times in the game


The VADS was use during the Vietnam war and onwards. Based on the chasis of the M113 armored personal carrier. NATO used it as an anti aircraft Gunn for a long time


An excellent addition to the article will be video guides, as well as screenshots from the game and photos.

See also

Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:

  • reference to the series of the vehicles;
  • links to approximate analogues of other nations and research trees.

External links

Paste links to sources and external resources, such as:

  • topic on the official game forum;
  • encyclopedia page on tank;
  • other literature.

USA anti-aircraft vehicles
Based on M3  M13 MGMC · M16 MGMC · M15A1 CGMC
Based on M24  M19
Post-war  M42 · M163 · M247