QF 4.5 inch Mk I – V gun

The QF 4.5 inch gun has been the standard medium-calibre naval gun used by the Royal Navy as a medium-range weapon capable of use against surface, aircraft and shore targets since 1938. This article covers the early 45-calibre family of guns up to the 1970s. For the later unrelated 55-calibre Royal Navy gun, see 4.5 inch Mark 8 naval gun. Like all British nominally 4.5 inch naval guns, the QF Mk I has an actual calibre of 4.45 inches (113 mm).

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Wikimedia, Wikidata
113 mm naval gun QF; 114 mm naval gun QF; 160:inch gun; 4.5 inch Mk I - V; QF 4.5 inch Mk I – V naval gun; QF 4.5&; QF 4.5-inch Mk I – V naval gun
800 produced, 
114 mm naval gun, 

114 mm naval gun, C-class destroyer, HMS Cavalier, HMS Illustrious, HMS Renown, HMS Rhyl, 

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

Frameless

QF 4.5 inch fixed round 1942 AWM 137528

HMAS Torrens (DE 53) QF 4.5-inch Mk I – V naval gun on display at Princess Royal Fortress

Seafire landing on HMS Indomitable WWII

QF 4.5-inch Mark 5 gun on twin Mark 6 mounting at Explosion Museum of Naval Firepower

HMAS Swan (DE 50) QF 4.5-inch Mk I – V naval gun on display at Princess Royal Fortress

Formidable lit up by the flashes of her 4.5 inch guns at night

HMAS Torrens (DE 53) QF 4.5-inch Mk I – V naval gun on display at Princess Royal Fortress

QF 4.5-inch Mark 5 gun on twin Mark 6 mounting at Explosion Museum of Naval Firepower

HMAS Swan (DE 50) QF 4.5-inch Mk I – V naval gun on display at Princess Royal Fortress

Illustrious in heavyweather CGH

Type	Subtype	Date	Description	Notes	Source
link	page		NavWeaps page@		Wikidata
link	page		NavWeaps page@		Wikidata
commons	image		QF 4.5 inch fixed round 1942 AWM 137528		Commons
commons	image		HMAS Torrens (DE 53) QF 4.5-inch Mk I – V naval gun on display at Princess Royal Fortress		Commons
commons	image		Seafire landing on HMS Indomitable WWII		Commons
commons	image		QF 4.5-inch Mark 5 gun on twin Mark 6 mounting at Explosion Museum of Naval Firepower		Commons
commons	image		HMAS Swan (DE 50) QF 4.5-inch Mk I – V naval gun on display at Princess Royal Fortress		Commons
commons	image		Formidable lit up by the flashes of her 4.5 inch guns at night		Commons
commons	image		HMAS Torrens (DE 53) QF 4.5-inch Mk I – V naval gun on display at Princess Royal Fortress		Commons
commons	image		QF 4.5-inch Mark 5 gun on twin Mark 6 mounting at Explosion Museum of Naval Firepower		Commons
commons	image		HMAS Swan (DE 50) QF 4.5-inch Mk I – V naval gun on display at Princess Royal Fortress		Commons
commons	image		Illustrious in heavyweather CGH		Commons