20 mm/70 Oerlikon Mk.II (20 mm)

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Description

Write an introduction to the article in 2-3 small paragraphs. Briefly tell us about the history of the development and combat using the weaponry and also about its features. Compile a list of air, ground, or naval vehicles that feature this weapon system in the game.

Vehicles equipped with this weapon

Vehicles equipped with this weapon
SPAA  AEC AA · Crusader AA Mk II
Motor gun boats  80 ft Nasty · Fairmile B (ML345) · Fairmile C (332) · SGB (S304) · SGB (S309)
Motor torpedo boats  Elco 80 ft PT-103 · Elco 80 ft PT-109 · Elco 80 ft PT-314 · Elco 80 ft PT-556 · Elco 80 ft PT-565 · Higgins 78 ft PT-71 · Higgins 78 ft PT-200
  Vosper 2 series
Motor torpedo gun boats  LCS(L)(3)
Gunboats  River class (K-246)
Sub-chasers  110 ft SC-497 · 165 ft PC-451 · 165 ft PC-466 Carmi · Flower class (K-218) · Isles class (T-285)
Destroyers  Bennion (DD-662) · Clemson (DD-213) · Cowell (DD-547) · Farragut (DD-355) · Fletcher (DD-445) · Sumner (DD-692) · USS Phelps (DD-360)
  Clemson (L45) · Hunt (L71) · N class (G25) · Tribal (F75)
Light cruisers  USS Cleveland (CL-55) · USS Helena (CL-50) · USS Raleigh (CL-7)
  HMNZS Leander · HMS Arethusa · HMS Dido · HMS Enterprise
  Raimondo Montecuccoli
Heavy cruisers  USS Portland (CA-33) · HMS Hawkins (D86) · HMS London (69) · HMS York (90)

General info

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

Available ammunition

Describe the shells that are available for the weapon and their features and purpose. If it concerns autocannons or machine guns, write about different ammo belts and what is inside (which types of shells).

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

Summarise and briefly evaluate the weaponry in terms of its characteristics and combat effectiveness. Mark pros and cons as a list.

Pros:

Cons:

History

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 If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: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 />.

Media

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 article about the variant of the cannon/machine gun;
  • references to approximate analogues by 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 the weapon;
  • other literature.


Britain and USA anti-aircraft guns
7.92 mm  BESA
12.7 mm  M2HB
20 mm  M168 · Oerlikon Mk.II
30 mm  HSS 831L
35 mm  Oerlikon KDA
37 mm  M1A2
40 mm  Bofors · M266

USA naval cannons
20 mm  20 mm/70 Oerlikon Mk.II · 20 mm/70 Oerlikon Mark V · 20 mm/70 Oerlikon Mark 24
28 mm  1.1 inch/75 Mk.1
37 mm  AN-M4
40 mm  Bofors L/60 Mark 1 · Bofors L/60 Mark 2 · Bofors L/60 Mark 3
76 mm  3 inch/23 Mk.4 · 3-inch Mark 10 · 3-inch Mk.34
102 mm  4 inch/50 Mk.9
127 mm  5 inch/25 Mk.13 AA · 5 inch/38 Mk.12
152 mm  6 inch/47 Mk.16 · 6 inch/53 Mk.12
203 mm  8 inch/55 Mark 14

Britain naval cannons
20 mm  20 mm/70 Oerlikon Mk.II · 20 mm/70 Oerlikon Mark V · 20 mm/70 Oerlikon Mark 24
40 mm  2pdr QF Mk.IIc · 2pdr QF Mk.VIII · 2pdr Rolls Royce · QF Mark V · QF Mark VII · QF STAAG Mark II
47 mm  3 pdr QF Hotchkiss
57 mm  6pdr 7cwt QF Mk IIA
76 mm  3 inch/70 Mark 6 · 3 inch naval AA Mk.V · OQF 3in 20cwt
102 mm  4 in QF Mark V · 4 inch/45 Mark XVI · BL Mark IX
114 mm  4.5 inch/45 QF Mark IV · 4.5 inch/45 QF Mark V · 8cwt QF Mk I
120 mm  4.7 inch/45 Mk.XII
133 mm  5.25 inch/50 QF Mark I
152 mm  6 inch/45 BL Mark XII · 6 inch/50 BL Mark XXIII · 6 inch/50 QF Mark N5
190 mm  7.5 inch/45 BL Mk.VI
203 mm  8 inch/50 Mark VIII
  Foreign:
40 mm  Bofors L/60 Mark 2 (USA)

Italy naval cannons
20 mm  20 mm/65 Breda · 20 mm/70 Oerlikon Mk.II · 20 mm/70 Scotti-Isotta Fraschini mod.1939
37 mm  37 mm/54 Breda Mod.32 · 37 mm/54 Breda Mod.39
40 mm  40 mm/39 Vickers-Terni mod.1915/1917 · 40 mm/39 Vickers-Terni mod.1915/1917, Modif.1930 · 40 mm/70 Breda-Bofors type 107
100 mm  100 mm/47 O.T.O. Mod. 1928
120 mm  120 mm/45 O.T.O. Mod. 1926 · 120 mm/50 Ansaldo Mod. 1926
135 mm  135 mm/45 O.T.O. Mod. 1938
152 mm  152/53 mm Ansaldo mod.1926 · 152/53 mm O.T.O. Mod.1929
203 mm  203 mm/50 Ansaldo mod.1924