Difference between revisions of "6pdr 7cwt QF Mk IIA (57 mm)"
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== General info == | == General info == | ||
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=== Available ammunition === | === Available ammunition === | ||
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=== Comparison with analogues === | === Comparison with analogues === | ||
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== Usage in battles == | == Usage in battles == | ||
Revision as of 07:40, 19 July 2023
Contents
Description
The Mark IIA was a modification of the army's Mark II anti-tank gun fitted with Molins auto-loading gear. Used by many MTBs in power operated mountings to give them a bigger "punch" when attacking barges and small vessels. It was also proposed to use the Mark II without the auto-loading gear as a wet mount for submarines but this never made it out of the prototype stage.
The Molins auto-loading gear carried seven rounds, one in the breech and six in the feed system. An additional twelve rounds were carried in ready racks on the naval mounting. The last round could not be fired, a precautionary measure to prevent the feed from running out of ammunition which would have necessitated manually working the breech mechanism.
Unlike the RAF version, this weapon allowed only semi-automatic firing.
These guns were of monobloc construction and actual bore length was 42.87 calibers. About 600 guns were produced with Molins gear.
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
The 6-pounder 7-centum-weight Mark IIA is a variant of the British Army's 6-pounder Mark II. While the 6-pounder gun was a common naval calibre of the time, the British Army only began considering the design in 1938 when they realized their QF 2-pounders were likely to become obsolete soon after entering service. Due to the loss of British Army equipment during the evacuation at Dunkirk in June 1940, the development and the introduction of the 6-pounder were delayed with it only entering service in 1942. The Mark II, the main variant of the design, had an L/43 barrel. The Mark IIA combined this army cannon with the automatic loading system of the Molins Class M aircraft cannon to provide more firepower on Motor Torpedo Boats such as the Fairmile D against German barges and similar small vessels.
The Mk IIA had seven rounds in the auto-loading system: six rounds in the feed system, and one in the chamber. However, the gun, which was semi-automatic unlike the Molins, could only fire six rounds. The last round was left un-fired to prevent the breech from being worked manually which would be needed if the feed system was empty. A wet mount variant without the auto-loader was developed but remained a prototype.
Media
Excellent additions to the article would be video guides, screenshots from the game, and photos.
See also
- 6pdr OQF Mk.III (57 mm) - Tank version of the Mark II.
- 6pdr OQF Mk.V (57 mm) - Tank version with a longer barrel.
External links
Paste links to sources and external resources, such as:
- topic on the official game forum;
- other literature.
