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A new type of 4.5 inch gun with a longer 55-calibre barrel, it was designed in the 1960s for the Royal Navy's new classes of frigates and destroyers.The weapon, built by Vickers Ltd Armament Division, was developed by the Royal Armament Research and Development Establishment using the Ordnance, QF 105 mm L13 of the Abbot self-propelled gun as a starting point (it used electrical primers).
The 50-calibre BL 6-inch gun Mark XXIII [note 1] was the main battery gun used on the Royal Navy and British Commonwealth's conventional (non-anti-aircraft) light cruisers built from 1930 through the Second World War, and passed into service with several other navies when ships were disposed of after the end of the War.
This is a list of equipment used in the Royal Navy. Naval ships Lists of active ships Category:Naval ships of the United Kingdom List of active Royal Navy ships List of active ships of the Royal Fleet Auxiliary List of active Royal Marines military watercraft List of active ships of Serco Marine Services List of ships by name List of ship names of the Royal Navy List of ship names of the Royal ...
Bofors 40 mm 3P all-target programmable ammunition allows six modes including three proximity fuzing modes.This increases the flexibility and effectiveness of the gun system, which has further reduced the reaction time of the gun and it is possible to choose ammunition mode at the moment of firing, giving it the ability to switch rapidly between surface targets, air targets, and ground targets.
The 4.5-inch (114 mm) Mark 8 gun can be found on all the Royal Navy's frigates and destroyers and was used from the Falklands War to the War in Iraq.The gun can fire up to 24 high explosive shells per minute, each weighing more than 40 kilograms (88 lb), at targets more than 12 miles (19 km) away – this can be extended to nearly 18 miles (29 km) if special extended-range shells are used.
These wire-wound built-up guns had originally been planned for the cancelled G3-class battlecruiser design upon which the Nelson class drew.. Sir W. G. Armstrong Whitworth & Company at Elswick, Vickers at Barrow-in-Furness, William Beardmore & Company at Dalmuir and the Royal Gun Factory at Woolwich made a total of 29 guns of which 18 would be required for both ships at any time.
The BL 8 inch gun Mark VIII [note 1] was the main battery gun used on the Royal Navy's County-class cruisers, [note 2] in compliance with the Washington Naval Treaty of 1922. . This treaty allowed ships of not more than 10,000 tons standard displacement and with guns no larger than 8 inches (203 mm) to be excluded from total tonnage limitations on a nation's capital sh
The 30mm DS30M Mark 2 is a ship-protection system made by MSI-Defence Systems consisting of a 30mm Mark 44 Bushmaster II cannon on an automated mount. It was designed to defend Royal Navy frigates from fast inshore attack craft armed with short-range missiles, rocket-propelled grenades, machine guns, or explosives.