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Rifle, Multiple, 106-mm, Self-Propelled, M50
General characteristics
2 peopleCrew
8.3 tWeight
4 forward
1 back
Gear box
106 mm Recoilless Rifle M40A1CWeapon 1
18 roundsAmmunition
6 roundsBelt capacity
120 shots/minFire rate
-10° / 20°Vertical guidance
-40° / 40°Horizontal guidance
4 х 12.7 mm M80 machine gunWeapon 2
480 roundsAmmunition
5 roundsBelt capacity
300 shots/minFire rate
1 000 roundsAmmunition
250 roundsBelt capacity
500 shots/minFire rate
95 000 Rp icon.pngResearch
260 000 Sl icon.pngPurchase
Sl icon.png6 700 / 8 844/4 570 / 6 032/1 420 / 1 874Repair
75 000 Sl icon.pngCrew training
260 000 Sl icon.pngExperts
1 100 Ge icon.pngAces
x 1.90 Rp icon.pngReward for battle


GarageImage M50.jpg

The Rifle, Multiple, 106-mm, Self-Propelled, M50, also known by the nickname Ontos, is a rank V American tank destroyer with a battle rating of 6.7 (AB/RB/SB). It was introduced in Update 1.71 "New E.R.A".

The M50 "Ontos" is pretty much a bulky carrier of recoilless rifles, carrying a payload of six shells of devastating HEAT and HESH shells. With six launchers pointing forwards, a well-emplaced M50 can point itself downrange and once a target comes into its sights, unleash all shells until the target is annihilated.

A stealthy and pouncing game style is needed to make the most of the hard-hitting guns and the thin armour of the Ontos.

General info

Survivability and armour

Armour Front (Slope angle) Sides Rear Roof
Hull 10-13 (70°) Front glacis
13 mm (45-66°) Lower glacis
13 mm (43°) Top
13 mm Bottom
13 mm (36°) Top
13 mm Bottom
13 mm
Armour Sides Roof
Cupola 13 mm 13 mm


  • Suspension wheels and torsion bars are 20 mm thick while tracks are 15 mm thick.


Mobility characteristic
Weight (tons) Add-on Armour
weight (tons)
Max speed (km/h)
8.6 N/A 52 (AB)
48 (RB/SB)
Engine power (horsepower)
Mode Stock Upgraded
Arcade 206 ___
Realistic/Simulator 128 ___
Power-to-weight ratio (hp/ton)
Mode Stock Upgraded
Arcade 23.95 __.__
Realistic/Simulator 14.88 __.__


Main armament

Main article: M40A1C (106 mm)
106 mm M40A1C
Capacity (Belt capacity) Vertical
18 (6) -10°/+20° ±40° N/A
Turret rotation speed (°/s)
Mode Stock Upgraded Prior + Full crew Prior + Expert qualif. Prior + Ace qualif.
Arcade __.__ __.__ __.__ __.__ __.__
Realistic 10.7 12.6 15.3 16.9 18.0
Reloading rate (seconds)
Stock Prior + Full crew Prior + Expert qualif. Prior + Ace qualif.
16.90 14.95 13.78 13.00
Penetration statistics
Ammunition Type of
Penetration in mm @ 90°
10m 100m 500m 1000m 1500m 2000m
M344A1 HEAT 381 381 381 381 381 381
M361A1 HESH 152 152 152 152 152 152
Shell details
Ammunition Type of
in m/s
Mass in kg
Fuse delay

in m:

Fuse sensitivity

in mm:

Explosive Mass in g
(TNT equivalent):
Normalization At 30°
from horizontal:
0% 50% 100%
M344A1 HEAT 502 10 0.0 0.1 1,650 +0° 62° 69° 73°
M361A1 HESH 498 10 0.4 0.1 5,040 +0° 73° 77° 80°
Ammo racks
Ammo racks of the M50.
rack empty
rack empty
18 10 (+8) (+18) No

Six shells are loaded per reload.

Machine guns

12.7 mm M8C
Coaxial mount (x4)
Capacity (Belt capacity each) Fire rate
480 (4) 300 N/A N/A
7.62 mm M1919A4
Pintle mount
Capacity (Belt capacity) Fire rate
1,000 (250) 500 -5°/+50° ±70°

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 instead 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


  • Six recoilless 106mm rifles
  • The guns can be fired within 0.5 seconds of each other, allowing rapid fire on one hapless target
  • Stock shells of HEAT and HESH
  • 4 heavy MGs - Spotting and anti-air
  • 33 mph/53 kph nice speed, can get to ambush or sniping positions early game or rush cap


  • No armour whatsoever (can be easily destroyed by heavy MG rounds or via air strafing)
  • Only 18 rounds - can't miss and be wasteful
  • Only 2 crew members - One shot is most likely to put you out of action
  • Ammo is nicely grouped in the back for any Ru 251 or other flanker


Describe the history of the creation and combat usage of the ground vehicle 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 vehicle and adding a block "/ History" (example: https://wiki.warthunder.com/(Vehicle-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref>, as well as adding them at the end of the article. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under === In-game description ===, also if applicable).


Excellent additions to the article would be video guides, 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

USA tank destroyers
Early projects  75 mm Gun Motor Carriage M3 · 75 mm Howitzer Motor Carriage M8 · 75 mm Gun Motor Carriage M8
Based on M4  3-inch Gun Motor Carriage M10 · 90-mm Gun Motor Carriage M36
M18  M18 Gun Motor Carriage · M18 Gun Motor Carriage "Black Cat" · M18 90-mm Gun Motor Carriage
T95  Super Heavy Tank T28 · 105 mm Gun Motor Carriage T95
China  ▃LVT(A)(4) ZIS-2
Post-war  M50 · M56 · T114 · Combat Vehicle, Anti-tank, Improved TOW Vehicle, M901