View source for 305 mm/46 Vickers model 1909 (305 mm)

== 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 ===
<!-- ''List out vehicles that are equipped with the weapon.'' -->

* {{Specs-Link|it_battleship_andrea_doria}}

== 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 If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: <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>.'' -->
The ''Regia Marina'' (Royal Italian Navy) was ahead of the curve to an extent when it came to warship design in the early 1900s. The idea of an all-big-gun-battleship that was codified with the launch of [[HMS Dreadnought|HMS ''Dreadnought'']] as the new standard for battleship design was first proposed by Italian officer Vittorio Cuniberti in 1903, though the ''Regia Marina'' were hesitant to adopt this new design until 1909 when they laid down their dreadnought [[RN Dante Alighieri|RN ''Dante Alighieri'']]. Like the Royal Navy, the Italians decided to use 12-inch (305 mm) guns. The 305 mm/46 Vickers model 1909 was one of the two 12-inch guns used by the ''Regia Marina'' along with the [[305 mm/46 Armstrong model 1909 (305 mm)|305 mm/46 Armstrong model 1909]]. While they were used by ''Regia Marina'' interchangeably on their dreadnoughts, the two designs were not compatible. The Vickers Mk. "G" was first purchased for the [[RN Andrea Doria|RN ''Andrea Doria'']] before licensed production began at Vickers-Terni. These guns were used on the ''Conte di Cavour'' and ''Leonardo da Vinci''. The Vickers model was a full wire wound with inner A, A, and B tubes along with the jackets and rings and the hydraulic mount weighed 62.5 tons. Like the Armstrong model, it used a Welin breech block.

The three ships didn't see much service during World War I due to the ''Regia Marina''<nowiki/>'s doctrine of keeping their battleships in reserve in the southern Adriatic Sea instead of engaging in combat in the more northern parts that could be littered with enemy mines and submarines. The ''Leonardo da Vinci'' was the first ship to be lost, suffering a magazine detonation in port at Taranto. After the war, the remaining two ships would have their guns bored out to 320 mm (12.6-inch). A few turrets were removed during this modernization and would see service in the coastal defense role during World War II.

== 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.''

{{Italy naval cannons}}

[[Category:Naval cannons]]