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The Royal Navy did not adopt the gun, but several were adopted by the army as coast defence guns around the United Kingdom from 1900 onwards. [1] In World War I the UK acquired 620 [3] of a version manufactured in Japan, and mounted them as anti-submarine guns on merchant ships and troop ships, under the designation Mark V*.
Single Mk IX gun on HMCS Assiniboine with gunners sheltering behind the shield. The 4.7 inch QF Mark IX and Mark XII were 45-calibre, 4.7-inch (120 mm) naval guns which armed the majority of Royal Navy and Commonwealth destroyers in World War II, [1] and were exported to many countries after World War II as the destroyers they were mounted on were sold off.
QF 4.7 inch Mk V naval gun Japanese-built gun, armed British merchant ships in World War I & World War II; BL 4.7 inch /45 naval gun British naval gun used 1918 to 1945 [1] QF 4.7 inch Mk VIII naval gun British anti-aircraft gun on Nelson class battleships in World War II; 4.7 inch QF Mark IX & XII British naval guns deployed on destroyers in ...
QF 4.5-inch Mk I – V [17] BL 4.7-inch Mk I and Mk II [18] QF 4.7-inch Mk IX & XII naval gun [19] QF 4.7-inch Mk XI naval gun [20] [page needed] US naval artillery obtained by Lend-Lease and destroyers for bases agreement 3-inch/50-calibre gun [21] 4-inch/50-calibre gun [22] QF 4 inch Mk XII gun on a T-class submarine
Naval gun on display at the Museo Tecnico Navala Della Spezia, Italy [34] Japanese-built 4.7"/40 Mark IV in the Military Museum of Finland in Suomenlinna, Finland; 4.7-inch QF Gun, No. 563, Mark IV, manufactured in 1894 by Royal Gun Factory,on Percy Scott carriage,preserved in the courtyard of Indian Museum at Kolkata (Calcutta)
It was typically used on cruisers and heavier ships, although V and W-class destroyers of 1917 also mounted the gun. Mk V was superseded by the QF 4 inch Mk XVI as the HA (i.e. anti-aircraft) gun on new warships in the 1930s, but it continued to serve on many ships such as destroyers, light and heavy cruisers in World War II. [4]
The QF 4.7-inch Mk XI gun, on the Mk XX twin mounting, was introduced to the RN aboard the L and M class destroyers, in commission from 1941 onwards.It featured a 62 lb (28.1 kg) shell fired at 2,538 ft/second (774 m/s) to a maximum range of 21,240 yards (19,420 m) at 45 degrees of elevation. [1]
From the BL Mark I gun of 1916 the 4.7-inch (120 mm) calibre was the mid-calibre weapon of the Royal Navy, used particularly on destroyers.Apart from some ships armed with QF 4-inch Mk V guns due to shortages, it remained the standard weapon for destroyers up to the W-class destroyers of 1943.