BL 6 inch Mk XXII naval gun

Ordnance QF 6 inch gun Mk XXII
Gun turrets on HMS Rodney, 1940
Type	Naval gun
Service history
In service	1927 - 1947
Used by	Royal Navy
Wars	World War II
Specifications
Barrel length	300 inches (7.620 m) bore (50 calibres)

Shell	1927 : 100 pounds (45 kg) 1942 : 112 pounds (51 kg)^[1]
Calibre	6-inch (152.4 mm)
Breech	Welin interrupted screw
Muzzle velocity	898 metres per second (2,950 ft/s)^[1]

The BL 6-inch Mk XXII gun^{[note 1]} was a British high-velocity 6-inch 50-calibre wire-wound naval gun used as secondary armament on the two Nelson-class battleships, serving throughout World War II.

Ammunition

The gun originally fired a 100-pound (45 kg) shell, which had been the standard shell weight for six-inch guns since 1880. From 1942 the gun fired the same 112-pound (51 kg) shell introduced for the later Mk XXIII gun.^[2]

Notes

↑ MK XXII = Mark 22. Britain used Roman numerals to denote Marks (models) of ordnance until after World War II. This was the twenty-second model of British BL 6-inch gun

References

1 2 http://navalhistory.flixco.info/H/65069x53535/8330/a0.htm
↑ DiGiulian

External links

Wikimedia Commons has media related to BL 6 inch Mk XXII naval gun.

Tony DiGiulian, British 6"/50 (15.2 cm) BL Mark XXII

British Commonwealth naval weapons of the Second World War

Monitor guns	BL 15 inch

Capital ship main armament	BL 14 inch BL 15 inch BL 16 inch

Heavy cruiser main armament	BL 7.5 inch Mk VI BL 8 inch Mk VIII

Secondary armament and light cruiser main armament	QF 4 inch Mk V QF 4.5 inch QF 5.25 inch BL 6 inch Mk XII BL 6 inch Mk XXII BL 6 inch Mk XXIII

Minesweeper, Sloop, Corvette, Frigate and Destroyer armament	QF 6 pounder 10 cwt QF 12 pdr 12 cwt Mk V QF 4 inch Mk IV BL 4 inch Mk IX QF 4 inch Mk XVI QF 4 inch Mk XIX QF 4.5 inch BL 4.7 inch Mk II QF 4.7 inch Mk IX & XII QF 4.7 inch Mk XI

Submarine guns	QF 12 pdr 12 cwt Mk V QF 3 inch 20 cwt QF 4 inch Mk XII & XXII

Anti-aircraft weapons	Unrotated Projectile Holman Projector 20 mm Oerlikon QF 2 pounder "pom-pom" Mk VIII 40 mm Bofors QF 3 inch 20 cwt QF 4 inch Mk V QF 4 inch Mk XVI QF 4.5 inch QF 4.7 inch Mk VIII

Light weapons	.303 Lewis machine gun .50 Vickers Mk III machine gun QF 3 pounder Vickers

Torpedoes	21 inch Mk VII 21 inch Mk VIII 21 inch Mk X 21 inch Mk XI 24.5 inch Mk I

Anti-submarine weapons	Thornycroft depth charge thrower Hedgehog Squid

Small craft armament	Molins 6 pounder Vickers K machine gun 18 inch torpedo

Foreign-sourced weapons	20 mm Oerlikon 40 mm Bofors 3-inch 23 caliber gun (US) 3-inch 50 caliber gun (US) 4-inch 50 caliber Mark 9 gun (US) 5-inch 51 caliber Mark 8 gun (US) Y-gun depth charge projector (US) Mark 8 torpedo (US)

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BL 6 inch Mk XXII naval gun

Ammunition

See also

Weapons of comparable role, performance and era

Notes

References

External links