Difference between revisions of "2M-3 (25 mm)"

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[[File:2M-3 on Project 201K sub chaser.png|alt=2M-3 on Project 201K sub chaser|thumb|2M-3 on [[MPK Pr.201K]]]]
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== Description ==
 
== 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.''
 
''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.''
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== History ==
 
== History ==
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''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 If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Weapon-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>.''
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The 2M-3 is a naval gun turret of Soviet origin, developed shortly after World War 2 to arm various smaller combat ships, submarines and civilian ships supporting the navy, and based upon the 84-KM which was designed in 1943-44. The specifications for a new weapon were first developed in 1945 and then modified in 1947. Trials started in 1949 and the gun was accepted into service in 1953 as 110-PM. Manufacturing in the USSR continued until 1984.
 
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These guns were fed from 65-round belts and the early guns could also be fed by 7-round clips. The twin mount on which these guns were originally used was designated as 2M-3. At a later date, the mount was modified into 2M-3M version. In this later version, the automatics were converted to gas-operation and the firing rate was increased to 470 - 480 rounds per minute during trials. These guns were nominally rated as being air-cooled, but they were actually cooled with water from a special hose for at least 15 seconds during reloading.
 
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At the same time as the 2M-3 mounting was being developed for surface ships, the 2M-8 wet mount was being developed for submarines. This mounting used the same 110-PM guns as did the 2M-3 but the guns were clip-fed instead of belt-fed. This version was accepted into service in 1954, but all guns were removed from submarines by the end of 1950s due to the changing nature of submarine warfare. The guns were kept in storage for a long time afterwards but were eventually scrapped.
 
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In addition to the above mountings there were also several experimental mountings which did not enter service. The 2M-10 mount was an improved 2M-8 mount for submarines, but was not accepted into service. In parallel with 2M-3 mount, there was also a BL-130 mount under development. While the BL-130 had some advantages over the 2M-3 mounts, it was at a lower stage of readiness and rather then complete development it was decided to use the 2M-3 mount in its place. At the end of 1940, BL-120-I and BL-120-II mountings intended for the Stalingrad (Project 82) class battlecruisers were being designed. These were completely enclosed armored mounts. However, these ships were cancelled and the only two mounts completed (renamed 4M-120-I and 4M-120-II) were installed on the destroyer [[Neustrashimy|Neustrashimy (Project 41)]] for several years, until later replaced with 45 mm [[45 mm/89 SM-20-ZIF (45 mm)|SM-20-ZIF]] mounts.<ref>http://www.navweaps.com/Weapons/WNRussian_25mm-79_2m-3.php</ref>
 
  
 
== Media ==
 
== Media ==

Revision as of 04:18, 11 May 2023

Introducing Wiki 3.0
2M-3 on Project 201K sub chaser
2M-3 on MPK Pr.201K

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

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;
  • other literature.


USSR naval cannons
20 mm  ShVAK
25 mm  2M-3
30 mm  AK-230 · 30 mm/54 AK-630 · 30 mm/54 AK-630M · BP "Plamya"
37 mm  37 mm/67 70-K · V-11
45 mm  45 mm/46 21-K · 45 mm/68 21-KM · 45 mm/89 SM-20-ZIF · 45 mm/89 SM-21-ZIF
57 mm  AK-725
75 mm  75 mm/50 Canet patt.1892
76 mm  34-K · 39-K · 76 mm/60 AK-176M · AK-726 · D-56TS · F-34 · Lender AA gun, pattern 1914/15
85 mm  85 mm/52 92-K · 85 mm/54.6 ZIS-C-53 · 90-K
100 mm  100 mm/56 B-34 · 100 mm/70 SM-5-1 · Minizini
102 mm  Pattern 1911
120 mm  120 mm/50 pattern 1905
130 mm  130 mm/55 pattern 1913 · 130 mm/58 SM-2-1 · B-13
152 mm  152 mm/57 B-38
180 mm  180 mm/57 B-1-P · 180 mm/60 B-1-K
305 mm  12-inch/52 pattern 1907 · 305 mm/54 B-50
356 mm  14-inch/52 pattern 1913 (356 mm)
  Foreign:
40 mm  2pdr QF Mk.IIc (Britain) · Skoda (Czechoslovakia)
47 mm  3 pdr QF Hotchkiss (Britain)
76 mm  76 mm/40 Ansaldo mod.1917 (Italy)
88 mm  SK C/30 (Germany)
120 mm  120 mm/50 Mk.4 Bofors M1924 (Sweden) · 120 mm/50 O.T.O. Mod.1933 (Italy)
152 mm  152/53 mm O.T.O. Mod.1929 (Italy)
320 mm  320 mm/44 Ansaldo model 1934 (Italy)

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