18"/45 Mark II
and other Proposed Guns

Battleship and Battlecruiser Designs 1920 - 1922

18"/40 Mark I

Furious and Monitors

16.25"/30 Mark I

Benbow and Victoria

16"/45 Marks II, III & IV

Lion (1938) Class

16"/45 Mark I

G3 and Nelson Class

15"/45 Mark II

Proposed for King George V (1940) Class

15"/42 Mark I

Queen Elizabeth, Royal Sovereign (1916), Glorious, Repulse, Hood, Vanguard, Marshal Soult and Roberts Classes

14"/45 Mark VII

King George V (1940) Class

14"/50 Mark VI

Izmail Class (Russian)

14"/45 Marks II, IV and V

Abercrombie (1914) Class

14"/45 Marks I and III

Canada Class (ex-Almirante Latorre)

13.5"/45 Mark VI

Erin (ex-Reshadeih)

13.5"/45 Mark V

Orion, King George V (1912), Iron Duke, Lion (1912), Queen Mary and Tiger (1914) Classes

13.5"/30 Marks I, II, III and IV

Middle "Admiral" and Royal Sovereign (1893) Classes

12"/50 Mark XIV

Experimental

12"/45 Mark XIII

Agincourt (ex-Rio de Janeiro)

12"/50 Marks XI, XI* and XII

St. Vincent, Neptune and Colossus Classes

12"/45 Mark X

Lord Nelson, Dreadnought, Bellerophon, Invincible and Indefatigable Classes

12"/40 Mark IX

Formidible, London, Duncan and King Edward VII Classes
'M' Class Submarines

12"/35 Mark VIII

Majestic and Canopus Classes

12"/25 Marks III, IV and V

Early "Admiral" Class

12"/25 Marks I and II

Colossus, Conqueror and Collingwood

10"/45 Mark VI and VII

Swiftsure (1904) Class (ex-Constitution)

10"/32 Marks I, II, III and IV

Victoria, Thunderer, Devastation and Barfleur Classes

9.2"/51 Mark XII

Glatton Class (ex-Bjöergvin)

9.2"/50 Mark XI

Lord Nelson and Minotaur Class

9.2"/47 Mark X

King Edward VII, Drake, Cressy, Duke of Edinburgh and Warrior Classes

9.2"/47 Mark IX

Coastal Defense

9.2"/40 Mark VIII

Powerful Class

9.2"/31.5 Marks III to VII

Imperieuse, Australia, Warspite, Aurora and Blake

9.2"/26 Marks I and II

Early 9.2" Breech Loaders

8"/75 sub-caliber Mark II

Experimental

8"/120 sub-caliber Mark I

Experimental

8"/50 Mark IX and X

Proposed World War II Cruisers

8"/50 Mark VIII

York, Norfolk, London and Kent Classes

8"/26 Marks I, III, V and VII,
8"/30 Marks II, IV and VI

Early 8" Breech Loaders

7.5"/45 Mark VI

Hawkins Class

7.5"/50 Marks III & IV

Swiftsure (1904) (ex-Constitution)

7.5"/50 Marks II & V

Warrior, Minotaur and Achilles Classes

7.5"/45 Mark I

Devonshire Class

7"/36 Mark I

Mersey Class

155 mm/52 Future Naval Gun

Type 45 Destroyers

6"/50 QF Mark N5,
6"/50 QF Mark V

Tiger (1959) Class

6"/40 QF Marks I, II and III

Pre-dreadnoughts and cruisers built between 1890 and 1905

6"/26 QFC

Converted 6" Breech Loaders

6"/50 BL Mark XXIII

Leander, Perth, Arethusa, Southampton ("Town"), Edinburgh ("Modified Town"), Fiji ("Colony"), Ceylon (Modified "Colony") and Swiftsure Classes

6"/50 BL Mark XXII

Nelson Class

6"/49 BL Mark XVIII

Glatton Class (ex-Bjöergvin)

6"/50 BL Marks XVII and XXI

Canada Class (ex-Almirante Latorre)

6"/50 BL Mark XVI

Erin (ex-Reshadeih)

6"/50 BL Marks XIV and XV

Severn Class (ex-Javary)

6"/50 BL Mark XIII

Agincourt (ex-Rio de Janeiro)

6"/45 BL Marks XII and XX

Queen Elizabeth and Royal Sovereign (1916) Classes plus B, C, D and E Cruiser Classes

6"/50 BL Marks XI and XI*

Last three King Edward VII Class, Duke of Edinburgh, Bristol, Falmouth and Chatham Classes

6"/50 BL Marks IX and X

Coast Defense

6"/45 BL Mark VII, VIII and XXIV

Formidable, London, Duncan, first five King Edward VII Class, Tiger, Barfleur and Iron Duke Capital Ship Classes
Cressy, Drake, Monmouth, Hampshire and Challenger Cruiser Classes

6"/26 BL Marks I, II, III, IV, V and VI

Early 6" Breech Loaders

5.5"/50 BL Mark I

Hood, Furious, Birkenhead and Chester

5.25"/50 QF Mark I

King George V (1940), Dido, Spartan and Vanguard Classes

5.2"/42 QF Mark I

Submarine Cruiser X 1

5.1"/50 QF Mark I,
5"/70 QF Mark N1,
5"/56 QF Mark N2

Experimental Weapons

5"/38 Mark 12 (USA)

Delhi (as rebuilt), Ameer and Assistance Classes

5"/51 BL Marks VI and VII (USA)

Coastal Defense and DAMS

5"/25 BL Marks I, II, III, IV and V

Sloops and Cruisers of the 1880s

4.7"/50 QF Mark XI

L and M Classes

4.7"/45 QF Marks IX and XII

Mark IX: A through I, O, Q through W Classes
Mark XII: Tribal (1937), J, K, N and Abdiel Classes

4.7"/43 QF Mark VII,
4.7"/40 QF Marks VIII and X

"G3," "N3," Nelson and Courageous Classes
Albatross and Adventure

4.7"/45 QF Mark V

DAMS and DEMS

4.7"/40 QF Marks I, II, III, IV and VI

Pre-dreadnoughts and cruisers of the late 1800s
DAMS and DEMS

4.7"/45 BL Marks I and II

Modified V&W Destroyers, Amazon and Ambuscade

4.7"/18 Howitzer

Severn Class (ex-Javary)

4.5"/19 8cwt QF Mark I

MTBs and MGBs 1945 - 1960

4.5"/45 QF Mark V,
(Marks 6 and 7)

Lion (1945), Malta, Saintes, Modified Battle, Daring (1945), County, Type 12, Type 41 and Type 61AD Classes

4.5"/45 QF Marks I, III and IV,
(Marks 2, 3, 4 and 5)

Renown, Valiant, Queen Elizabeth, Illustrious, Ark Royal, Scylla, Charybdis, Battle, Savage, Z, Ca, Ch, Co, Cr and Tribal (1950) Classes

4"/33 QF Mark XXIII

"A" and "T" Class Submarines after World War II

4"/40 QF Mark XIX

"Battle" Class and small warships of World War II

4"/45 QF HA Marks XVI, XVII, XVIII and XXI

Queen Elizabeth, Royal Sovereign (1916), Hood, Furious and many smaller ships 1938 - 1948

4"/40 QF Mark XI

Planned for DAMS of World War I

4"/40 QF Mark XX,
4"/50 QF Mark XIV,
4"/50 QF Mark XIII,
4"/50 QF Mark IX,
4"/50 QF Mark VIII,
4"/40 QF Mark VII

Experimental and Miscellaneous 4" Guns

4"/40 QF Marks VI and X

Faulknor Class

4"/45 QF HA Marks V and XV

Most Capital Ships and Cruisers 1917 - 1938

4"/40 QF Marks IV, XII and XXII

Destroyers and Submarines 1908 - 1945

4"/40 QF Marks I, II and III

Invincible Class, some light cruisers and small warships of World War I

4"/50 Mark 9 (USA)

Lend-Lease Ships

4"/28 QFC

Converted 4" Breech Loaders

4"/45 BL Marks IX and X

Renown, Courageous, "Flower" Classes

4"/40 BL Marks VIII and XI

Destroyers and Submarines prior to World War I

4"/50 BL Mark VII

Belleron, St. Vincent, Neptune, Indefatigable, Colossus, Orion, Lion (1912) and King George V (1910) Classes

4" BL Marks I, II, II, IV, V and VI

Early 4" Breech Loaders

3"/70 Mark 6

Tiger (1959) Class
Canadian Restigouche and Mackenzie Classes

3"/50RF Mark 33 (USA)

Victorious

3"/50 Marks 10, 20, 21 and 22 (USA)

Lend-Lease Ships

12-pdr / 20cwt QF HA Marks I, II, III and IV

Many battleships and cruisers 1915 - 1925
Many small warships 1930 - 1945

12-pdr / 18cwt QF Mark I

King Edward VII (last three units), Lord Nelson, Dreadnought and Minotaur classes

12-pdr / 12cwt QF Marks I, II and V

Destroyers 1890s
Many small warships 1915 - 1945

3"/8cwt and 3"/17cwt

Armed Yachts of World War I
DEMS of World War II

3"/23.5 Marks 4 and 14 (USA)

Lend-Lease destroyers and Coast Guard cutters

6-pdr / 10cwt QF Mark I

Coast Defense and old Destroyers during World War II

6-pdr / 7cwt QF Mark IIA

MTBs of World War II

6-pdr / 8cwt QF Marks I and II

Arethusa and early "C" Class cruisers 1914 - 1918
"Flower" Class Corvettes and MTBs 1939 - 1945

Vickers 3-pdr Marks I and II

Cruisers and Monitors 1900 - 1920

Hotchkiss 3-pdr Marks I and II

Cruisers of the 1890s

40 mm/56.3 Bofors

Many Ships 1942 - 1960

2-pdr Mark IX,
2-pdr Mark X,
2-pdr Mark XI,
2-pdr Mark XII,
2-pdr Mark XIV

Miscellaneous 2-pdr guns

2-pdr Mark VIII

Most Ships 1930 - 1945

2-pdr Marks II and II*C

Many Ships 1915 - 1930

1.5-pdr Mark I

Arethusa (1914) and Undaunted

1-pdr Mark I

Some ships 1890s-1920s

20 mm/70 Oerlikon Marks I and II

Many ships 1940s - 1960s

0.5"/62 MG Mark III

Many Ships 1930s - 1940s

0.303" Maxim MG

Many ships 1890s - 1940s

Unrotated Projector (UP) AA Rocket

Capital ships 1935 - 1942