LW25 (25 mm)

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The 25 mm LW25 ("Light Weight" 25 mm) is an American autocannon currently exclusively equipped onto the M60 AMBT. A derivative of the 25 mm M242 autocannon, the LW25 acts as a lightweight weapon system for vehicle mounts in the same niche as weapon systems such as the .50 calibre M2 Browning.

Vehicles equipped with this weapon

General info

Tell us about the tactical and technical characteristics of the cannon or machine gun.

Available ammunition

Penetration statistics
Ammunition Type of
Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
Default HEDP 36 36 36 36 36 36
Shell details
Ammunition Type of
Mass (kg)
Fuse delay
Fuse sensitivity
Explosive Mass
(TNT equivalent) (g)
0% 50% 100%
Default HEDP 405 0.14 0.05 0.1 26.88 62° 69° 73°

Comparison with analogues

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Usage in battles

The 25 mm LW25 serves mostly as a backup role among the different weapon systems on the M60 AMBT. The LW25 fires HEDP rounds that have more armour-penetration compared to a 12.7 mm heavy machine gun, but they are also fired at a lower muzzle velocity than the 12.7 mm. As such, it would be a poor weapon against a fast-moving enemy jet (although firing a tracer stream towards them could shake up their attack run), but the LW25 is a good fall back weapon should the M60 AMBT encounter a lightly-armoured vehicle such as light tanks or SPAA, or even a low-flying helicopter, that the HEDP could have good effect on.

Since the gun is on the roof of the tank's turret, the lower muzzle velocity of the 25 mm shells could also allow some higher angled shots to fire at enemy behind cover or terrain.

Pros and cons


  • Good against lightly armoured vehicles or helicopters
  • One continuous 300-round belt so shooters do not need to worry about reloading
  • Entire ammo belt has tracers, meaning one could just walk the 25 mm shells into the enemy or intimidate them by firing at their location.
  • Low muzzle velocity means projectile drop could be sufficient to attack enemies behind low cover
  • Mounted high on the M60 AMBT turret, which allows for an elevated firing perspective


  • Insufficient armour-piercing power for attacking most tanks from any angles, except possibly roof armour and weak points.
  • Low muzzle velocity makes weapon rather poor for long-range engagements or against fast-moving vehicles.
  • Low rate of fire
  • Only a single ammo choice (HEDP) available


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;
  • other literature.

USA tank cannons
25 mm  LW25 · M242
37 mm  M3 · M5 · M6
57 mm  M1
75 mm  M2 · M2 Howitzer · M3 · M6 · M1897A4 · XM274
76 mm  M1 · M7 · M32 · T185E1
90 mm  M3 · M3A1 · M36 · M41 · M54 · T15E1 · T15E2 · T54 · T208E9
105 mm  M4 · M68 · M68A1 · M68A1E8 · Sharir · T5E1 · T5E2 · T140E2 · XM35
106 mm  M40A1C
120 mm  IMI MG251 · M58 · M256 · T53
152 mm  M81 · M162 · XM150E5
155 mm  T7
20 mm  Rh202
57 mm  6pdr OQF Mk.III · ZIS-2