QF 4 inch Mk IV, XII, XXII gun

The QF 4-inch gun Mk IV was the main gun on most Royal Navy and British Empire destroyers in World War I. It was introduced in 1911 as a faster-loading light gun successor to the BL 4 inch Mk VIII gun. Of the 1,141 produced, 939 were still available in 1939. Mk XII and Mk XXII variants armed many British interwar and World War II submarines.

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1911 — 1940  Wikimedia, Wikidata
102 mm naval gun QF; 4" naval gun QF; QF 4 inch naval gun Mk IV, XII, XXII
1141 produced, 
naval artillery, quick-firing gun, rifled breech loader, Royal Navy, 

Acasta-class destroyer, 

• NavWeaps page^@
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Location: KML, Cluster Map, Maps,

1911-01-01T00:00:00Z

1940-01-01T00:00:00Z

1911 — 1940 QF 4 inch Mk IV, XII, XXII gun

1914-07-28T00:00:00Z

1914-07-28T00:00:00Z

World War I

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Frameless

THE BRITISH AIRCRAFT CARRIER HMS ARGUS ON WAR SERVICE. 7 APRIL 1942, ON BOARD HMS ARGUS AT GIBRALTAR. A8337

QF4inchMkIVGunCartridge5lb1oz12drMkII

QF 4 inch Mk IV gun & crew 1942 LAC 3572367

QF 4 inch Mk IV gun HMS Satyr WWI IWM SP 1497

HMS Torrid (1917) IWM SP 1510

QF 4 inch gun HMS Lance South Kensington 1926 IWM Q 45231

Australian training with QF 4-inch Mk IV naval gun SLV H98.105 3182

HM Gunboat Sedgefly 4 inch gun and crew

QF 4 inch Mk IV gun on HMAS Wilcannia AWM 304889

Fort Saint Blaise, Ponta Delgada, São Miguel Island, Azores, Portugal

Type	Subtype	Date	Description	Notes	Source
link	page		NavWeaps page@		Wikidata
commons	image		THE BRITISH AIRCRAFT CARRIER HMS ARGUS ON WAR SERVICE. 7 APRIL 1942, ON BOARD HMS ARGUS AT GIBRALTAR. A8337		Commons
commons	image		QF4inchMkIVGunCartridge5lb1oz12drMkII		Commons
commons	image		QF 4 inch Mk IV gun & crew 1942 LAC 3572367		Commons
commons	image		QF 4 inch Mk IV gun HMS Satyr WWI IWM SP 1497		Commons
commons	image		HMS Torrid (1917) IWM SP 1510		Commons
commons	image		QF 4 inch gun HMS Lance South Kensington 1926 IWM Q 45231		Commons
commons	image		Australian training with QF 4-inch Mk IV naval gun SLV H98.105 3182		Commons
commons	image		HM Gunboat Sedgefly 4 inch gun and crew		Commons
commons	image		QF 4 inch Mk IV gun on HMAS Wilcannia AWM 304889		Commons
commons	image		Fort Saint Blaise, Ponta Delgada, São Miguel Island, Azores, Portugal		Commons