Diameter (mm)
|
Weapon name
|
Country of origin
|
Period
|
25
|
1-inch Nordenfelt gun
|
United Kingdom
|
1880s - 1890s
|
25.4
|
25 mm/76 (1") 84-KM
|
Soviet Union
|
World War II
|
25.4
|
25 mm/79 (1") 110-PM (gun) 2M-3/8 twin over & under
|
Soviet Union
|
Cold War
|
25.4
|
25 mm/60 Type 61
|
China
|
Cold War - Modern
|
27
|
Mauser BK-27
|
Germany
|
Modern
|
28
|
1.1"/75 caliber gun
|
United States
|
World War II
|
30
|
Mk44 Bushmaster II
|
United States
|
Modern
|
30
|
CRN 91 Naval Gun
|
India
|
Modern
|
35
|
Oerlikon Millennium 35 mm Naval Revolver Gun System
|
Switzerland
|
Modern
|
40
|
Bofors 40 mm Mk 3
|
Sweden
|
World War II
|
45
|
45 mm/78 (1.77") SM-7 Quad
|
Soviet Union
|
Cold War - Modern
|
47
|
QF 3 pounder Hotchkiss
|
France
|
World War I
|
47
|
QF 3 pounder Vickers
|
United Kingdom
|
World War I - World War II
|
57
|
QF 6 pounder Hotchkiss
|
France
|
World War I
|
57
|
QF 6 pounder Nordenfelt
|
United Kingdom
|
1880s - 1920s
|
57
|
57 mm/75 (2.24") AK-725 (ZIF-72) twin
|
Soviet Union
|
Cold War - Modern
|
57
|
57 mm/78.7 (2.24") SM-24-ZIF & ZIF-31
|
Soviet Union
|
Cold War
|
57
|
57 mm/81 (2.24") ZIF-71 and ZIF-75 single & Quad
|
Soviet Union
|
Cold War
|
57
|
Bofors 57 mm Mk 110
|
Sweden
|
Modern
|
66
|
6 cm vzor 30 gun (Škoda)
|
Czechoslovakia
|
World War II
|
70
|
Gonzalez Hontoria de 7 cm mod 1879
|
Spain
|
1879 – 1900s
|
76.2
|
QF 12 pounder 12 cwt naval gun
|
United Kingdom
|
1899 Second Boer War - 1904 Russo-Japanese War - World War I - World War II
|
76.2
|
QF 14 pounder Maxim-Nordenfelt naval gun
|
United Kingdom
|
World War I
|
76.2
|
QF 12 pounder 18 cwt naval gun
|
United Kingdom
|
World War I
|
76
|
Otobreda 76 mm
|
Italy
|
Cold War - Modern
|
76
|
3"/23 caliber gun
|
United States
|
World War I - World War II
|
76
|
3"/50 caliber gun
|
United States
|
World War II - Cold War
|
76
|
76.2 mm/55 (3") 34-K Pattern 1935
|
Soviet Union
|
World War II
|
76
|
76.2 mm/59 (3") AK-726 Twin
|
Soviet Union
|
Cold War - Modern
|
76
|
76.2 mm/60 (3") AK-176 Single
|
Soviet Union
|
Cold War - Modern
|
88
|
8.8 cm SK L/45 naval gun
|
German Empire
|
World War I
|
88
|
8.8 cm SK C/35 naval gun
|
Nazi Germany
|
World War II
|
90
|
Gonzalez Hontoria de 90 cm mod 1879
|
Spain
|
1879 – 1900s
|
95.3
|
RBL 20 pounder Armstrong 13 & 15 cwt
|
United Kingdom
|
1860s
|
100
|
it
|
Austria-Hungary
|
World War I
|
100
|
10 cm/65 Type 98 naval gun
|
Japan
|
1942 - World War II
|
100
|
Russia / USSR 100 mm/56 (3.9") B-34 Pattern 1940
|
Soviet Union
|
World War II - Cold War
|
100
|
Russia / USSR 100 mm/70 (3.9") CM-5 Twin Turret
|
Soviet Union
|
World War II - Cold War
|
100
|
French 100 mm naval gun
|
France
|
Cold War - Modern
|
100
|
AK-100 Naval gun
|
Soviet Union
|
Cold War - Modern
|
102
|
BL 4 inch naval gun Mk I - VI early gunpowder breechloaders
|
United Kingdom
|
1880s - 1900
|
102
|
QF 4 inch Mk I - III 40-calibre cordite guns
|
United Kingdom
|
1895 - World War I
|
102
|
BL 4 inch Mk VII 50-calibres
|
United Kingdom
|
World War I - World War II
|
102
|
BL 4 inch Mk VIII & XI 40-calibres destroyer & submarine guns
|
United Kingdom
|
World War I - World War II
|
102
|
QF 4 inch Mk IV, XII, XXII 40-calibres destroyer & submarine guns
|
United Kingdom
|
World War I - World War II
|
102
|
4"/50 caliber gun
|
United States
|
World War I - World War II
|
102
|
QF 4 inch Mk V naval gun 45-calibres
|
United Kingdom
|
World War I - World War II
|
102
|
BL 4 inch Mk IX naval gun 45-calibres
|
United Kingdom
|
World War I - World War II
|
102
|
QF 4 inch Mk XVI naval gun 45-calibres
|
United Kingdom
|
World War II
|
102
|
QF 4 inch Mk XIX naval gun 40-calibres
|
United Kingdom
|
World War II
|
102
|
QF 4 inch naval gun Mk XXIII 33-cal
|
United Kingdom
|
Cold War - Indonesia–Malaysia confrontation
|
105
|
10.5 cm SK L/40 naval gun
|
German Empire
|
1900 - 1945
|
105
|
10.5 cm SK L/45 naval gun
|
German Empire
|
1907 - 1945
|
105
|
10.5 cm SK C/32 naval gun
|
Nazi Germany
|
1932 - 1945
|
113
|
QF 4.5 inch Mk I - V naval gun 45-calibres
|
United Kingdom
|
World War II - Cold War
|
113
|
4.5 inch Mark 8 naval gun 55-calibres
|
United Kingdom
|
Cold War - Present
|
120
|
QF 4.7 inch Gun Mk I - IV 40-cal
|
United Kingdom
|
1899 Second Boer War - World War I
|
120
|
QF 4.7 inch Mk V naval gun 45-cal gun used on merchant ships
|
United Kingdom & Japan
|
World War I - World War II
|
120
|
BL 4.7 inch /45 naval gun Mk I, Mk II 45-cal
|
United Kingdom
|
World War I - World War II
|
120
|
QF 4.7 inch Mk IX & XII 45-cal
|
United Kingdom
|
World War II
|
120
|
QF 4.7 inch Mark XI gun 50-cal
|
United Kingdom
|
World War II
|
120
|
Gonzalez Hontoria de 12 cm mod 1879
|
Spain
|
1879 – 1900s
|
120
|
Gonzalez Hontoria de 12 cm mod 1883
|
Spain
|
1883 – 1910s
|
120
|
120 mm Italian naval gun
|
Kingdom of Italy
|
1900s - World War II
|
120.7
|
RBL 40 pounder Armstrong gun
|
United Kingdom
|
1860s
|
127
|
BL 5 inch gun Mk I - V
|
United Kingdom
|
1880s - 1900
|
127
|
5"/51 caliber gun
|
United States
|
World War I - World War II
|
127
|
5"/25 caliber gun
|
United States
|
1920s - World War II
|
127
|
12.7 cm/50 Type 3 naval gun
|
Japan
|
1928 - World War II
|
127
|
12.7 cm/40 Type 89 naval gun
|
Japan
|
1932 - World War II
|
127
|
5"/38 caliber gun
|
United States
|
1930s - World War II - Cold War
|
127
|
5"/54 caliber Mark 16 gun
|
United States
|
Cold War - Korean War
|
127
|
5"/54 caliber Mark 42 gun
|
United States
|
Cold War
|
127
|
5"/54 caliber Mark 45 gun
|
United States
|
Cold War - Modern
|
127
|
5"/62 caliber Mark 45 gun
|
United States
|
Modern
|
127
|
Otobreda 127/54 Compact
|
Italy
|
Cold War
|
127
|
Otobreda 127/64
|
Italy
|
Modern
|
128
|
12.7 cm SK C/34 naval gun
|
Nazi Germany
|
1930s - World War II
|
130
|
Type H/PJ38 130 mm naval gun
|
People's Republic of China
|
Modern
|
130
|
130 mm/55 B7 Pattern 1913
|
Russian Empire
|
World War I - World War II
|
130
|
130 mm/50 B13 Pattern 1936
|
Soviet Union
|
World War II - Cold War
|
130
|
AK-130
|
Soviet Union
|
Cold War
|
134
|
QF 5.25 inch Mark I
|
United Kingdom
|
World War II - Cold War
|
140
|
Gonzalez Hontoria de 14 cm mod 1883
|
Spain
|
1883 – 1900s
|
140
|
BL 5.5 inch/ 50 Mk I
|
United Kingdom
|
1914 - 1940s
|
140
|
14 cm/50 3rd Year Type naval gun
|
Japan
|
1914 - World War II
|
140
|
14 cm/40 11th Year Type naval gun
|
Japan
|
1922 - World War II
|
149.1
|
15 cm SK L/45
|
German Empire
|
World War I - World War II
|
149.1
|
it
|
Austria-Hungary
|
World War I
|
149.1
|
15 cm SK C/25
|
Nazi Germany
|
1930s - World War II
|
149.1
|
15 cm SK C/28
|
Nazi Germany
|
World War II
|
152.4
|
BL 6 inch 80 pounder gun
|
United Kingdom
|
1880s - 1890s
|
152.4
|
BL 6 inch gun Mk II - VI early BL 100-pounders
|
United Kingdom
|
1880s - 1900s
|
152.4
|
6 inch 35 caliber naval gun 1877
|
Russian Empire
|
1880s - 1910s
|
152.4
|
6"/50 caliber Mark 6 and 8 guns
|
United States
|
1900s - World War I - World War II
|
152.4
|
6"/53 caliber Mark 12, 14, 15 and 18 guns
|
United States
|
1920s - World War II
|
152.4
|
6"/47 caliber Mark 16 gun
|
United States
|
World War II - 1970s
|
152.4
|
QF 6 inch /40 naval gun "QF 6 inch Mk I - III" in British service, "Type 41 6 inch 40 caliber" in Japan
|
United Kingdom
|
Russo-Japanese War - 1899 Second Boer War - World War I
|
152.4
|
BL 6 inch Mk VII 45-calibres
|
United Kingdom
|
World War I
|
152.4
|
BL 6 inch Mk XI naval gun 50-calibres
|
United Kingdom
|
World War I - World War II
|
152.4
|
15 cm/50 41st Year Type
|
Japan
|
1913 – World War II
|
152.4
|
BL 6 inch Mk XII naval gun 45-calibres
|
United Kingdom
|
World War I - World War II
|
152.4
|
BL 6 inch Mk XXII naval gun 50-cal
|
United Kingdom
|
1920s - World War II
|
152.4
|
BL 6 inch Mk XXIII naval gun 50-calibres
|
United Kingdom
|
World War II
|
155
|
Advanced Gun System
|
United States
|
Modern
|
155
|
MONARC
|
Germany
|
Modern
|
155
|
15.5 cm/60 3rd Year Type
|
Japan
|
World War II
|
160
|
RML 64 pounder 64 cwt gun
|
United Kingdom
|
1860s - 1880s
|
160
|
Gonzalez Hontoria de 16 cm mod 1879
|
Spain
|
1883 – 1900s
|
160
|
Gonzalez Hontoria de 16 cm mod 1883
|
Spain
|
1879 – 1910s
|
178
|
RBL 7 inch Armstrong gun
|
United Kingdom
|
1860s
|
178
|
RML 7 inch gun
|
United Kingdom
|
1860s - 1890s
|
180
|
Gonzalez Hontoria de 18 cm mod 1879
|
Spain
|
1879 – 1900s
|
180
|
Gonzalez Hontoria de 18 cm mod 1883
|
Spain
|
1883 – 1910s
|
190
|
it
|
Austria-Hungary
|
World War I
|
190.5
|
BL 7.5 inch Mk I naval gun 45-calibre
|
United Kingdom
|
World War I
|
190.5
|
BL 7.5 inch Mk II - V naval gun various 50-calibre guns
|
United Kingdom
|
World War I
|
190.5
|
BL 7.5 inch Mk VI naval gun 45-calibre
|
United Kingdom
|
1920s - World War II
|
200
|
20 cm/50 3rd Year Type No.1
|
Japan
|
1920s - 1930s
|
200
|
Gonzalez Hontoria de 20 cm mod 1879
|
Spain
|
1879 – 1900s
|
200
|
Gonzalez Hontoria de 20 cm mod 1883
|
Spain
|
1883 – 1910s
|
203
|
RML 8 inch 9 ton gun
|
United Kingdom
|
1860s - 1880s
|
203
|
20 cm/50 3rd Year Type No.2
|
Japan
|
World War II
|
203
|
BL 8 inch Mk I - VII naval gun various gunpowder guns
|
United Kingdom
|
1880s - 1900s
|
203
|
BL 8 inch Mk VIII naval gun
|
United Kingdom
|
1920s - 1950s
|
203
|
203mm/50 Modèle 1924 gun
|
France
|
1920s - 1940s
|
203
|
203mm/55 Modèle 1931 gun
|
France
|
1930s - 1940s
|
203
|
8"/55 caliber gun
|
United States
|
1920s - 1970s
|
203
|
203 mm /53 Italian naval gun
|
Kingdom of Italy
|
1930s - World War II
|
203
|
20.3 cm SK C/34 naval gun
|
Nazi Germany
|
World War II
|
204
|
ML 8 inch shell gun
|
United Kingdom
|
1820s - 1860s
|
206
|
68-pounder gun
|
United Kingdom
|
1840s - 1900s
|
228.6
|
RML 9 inch 12 ton gun
|
United Kingdom
|
1860s - 1890s
|
229
|
9"/35 (22.9 cm) Pattern 1877
|
Russian Empire
|
1870s - World War I
|
234
|
BL 9.2 inch gun Mk I - VII early gunpowder guns
|
United Kingdom
|
1880s - 1918
|
234
|
BL 9.2 inch Mk VIII 40 cal cordite gun
|
United Kingdom
|
1890s - 1910s
|
234
|
BL 9.2 inch Mk X 46 cal cordite gun
|
United Kingdom
|
1900s - World War I
|
234
|
BL 9.2 inch Mk XI 50 cal cordite gun
|
United Kingdom
|
World War I
|
240
|
Gonzalez Hontoria de 24 cm mod 1883
|
Spain
|
1883 – 1910s
|
200 – 250
|
Paixhans guns
|
France
|
1841
|
254
|
RML 10 inch 18 ton gun
|
United Kingdom
|
1868 - 1900s
|
254
|
BL 10 inch Mk II - IV 32 cal guns
|
United Kingdom
|
1885 - 1900s
|
254
|
Vickers 10 inch /45 naval gun
|
United Kingdom
|
1904 - 1920s
|
254
|
EOC 10 inch /45 naval gun
|
United Kingdom
|
1904 - 1940s
|
254
|
Gonzalez Hontoria de 25,4 cm mod 1870
|
Spain
|
1870 – 1980s
|
280
|
RML 11 inch 25 ton gun
|
United Kingdom
|
1870s - 1890s
|
280
|
Gonzalez Hontoria de 28 cm mod 1883
|
Spain
|
1883 – 1920s
|
283
|
28 cm SK L/40 gun
|
German Empire
|
1890s - World War I
|
283
|
28 cm SK C/28 naval gun Deutschland class
|
Nazi Germany
|
World War II
|
283
|
28 cm SK C/34 naval gun Scharnhorst class
|
Nazi Germany
|
World War II
|
305
|
RML 12 inch 25 ton gun
|
United Kingdom
|
1860s - 1870s
|
305
|
RML 12 inch 35 ton gun
|
United Kingdom
|
1870s
|
305
|
BL 12 inch naval gun Mk I - VII
|
United Kingdom
|
1880s - 1890s
|
305
|
BL 12 inch naval gun Mk VIII
|
United Kingdom
|
1890s - 1910s
|
305
|
305mm/40 Modèle 1893 gun
|
France
|
1890s - 1910s
|
305
|
Russian 12 inch 40 caliber naval gun
|
Russian Empire
|
1896 - World War I
|
305
|
Armstrong Whitworth 12 inch /40 naval gun BL 12 inch Mk IX in UK, Type 41 12-inch /40 calibre in Japan
|
United Kingdom
|
World War I
|
305
|
EOC 12 inch /45 Elswick Ordnance 45 cal
|
United Kingdom
|
World War I
|
305
|
BL 12 inch Mk X Vickers 45 cal
|
United Kingdom
|
World War I
|
305
|
305mm/45 Modèle 1906 gun
|
France
|
World War I
|
305
|
12"/45 caliber Mark 5 gun
|
United States
|
World War I
|
305
|
30.5 cm SK L/50 gun
|
German Empire
|
World War I
|
305
|
BL 12 inch Mk XI & XII Vickers 50 cal
|
United Kingdom
|
World War I
|
305
|
Obukhovskii 12"/52 Pattern 1907 gun
|
Russian Empire
|
World War I
|
305
|
it
|
Austria-Hungary
|
World War I
|
305
|
12 inch/50 caliber naval gun
|
United States Argentina
|
World War I - World War II - Cold War (1950s)
|
305
|
12"/50 caliber Mark 8 gun
|
United States
|
World War II - Cold War
|
317.5
|
RML 12.5 inch 38 ton gun
|
United Kingdom
|
1875 - 1890s
|
320
|
Gonzalez Hontoria de 32 cm mod 1883
|
Spain
|
1883 – 1920s
|
320
|
Cannone Navale da 320
|
Kingdom of Italy
|
World War II
|
340
|
340mm/28 Modèle 1881 gun
|
France
|
1880s - 1910s
|
340
|
340mm/45 Modèle 1912 gun
|
France
|
World War I - World War II
|
343
|
BL 13.5 inch Mk I - IV 30-calibre guns
|
United Kingdom
|
1890s - 1900s
|
343
|
BL 13.5 inch Mk V Vickers 45 cal
|
United Kingdom
|
World War I
|
350
|
Škoda 35 cm K14
|
Austria-Hungary
|
World War I
|
356
|
EOC 14 inch /45 Elswick Ordnance 45 cal Marks I and III
|
United Kingdom & Chile
|
1914 World War I - 1950s
|
356
|
36cm/45 41st Year Type
|
United Kingdom & Japan
|
1913 – World War II
|
356
|
14"/45 caliber gun
|
United States
|
1914 World War I - World War II
|
356
|
14"/50 caliber gun
|
United States
|
1914 World War I - World War II
|
356
|
BL 14 inch Mk VII
|
United Kingdom
|
World War II
|
356
|
14"/52 (35.6 cm) Pattern 1913
|
Russian Empire
|
1914 World War I (Produced for Imperatritsa Maria class battleships, enter service in Coastal Defense)
|
380
|
38 cm L 45
|
German Empire
|
1914 World War I
|
380
|
38 cm SK C/34
|
Nazi Germany
|
World War II
|
380
|
380mm/45 Modèle 1935 gun
|
France
|
World War II - Cold War
|
381
|
BL 15 inch Mk I naval gun
|
United Kingdom
|
1914 World War I - World War II - 1950s
|
381
|
381mm / 50 Model 1934 naval gun
|
Kingdom of Italy
|
World War II
|
406
|
RML 16 inch 80 ton gun
|
United Kingdom
|
1880s - 1890s
|
406
|
16"/45 (40.6 cm) Vickers as No. 1712A
|
Russian Empire
|
1914 World War I (1 Produced, failed to enter service)
|
406
|
BL 16 inch Mk I naval gun
|
United Kingdom
|
World War II
|
406
|
16"/45 caliber Mark 1 gun
|
United States
|
1920s - World War II
|
406
|
16"/50 caliber Mark 2 & 3 gun (ships cancelled, used as coast artillery)
|
United States
|
1920s - World War II
|
406
|
16"/45 caliber Mark 6 gun
|
United States
|
World War II
|
406
|
406 mm/50 (16") B-37 Pattern 1937
|
Soviet Union
|
World War II (Produced, failed to enter service)
|
406
|
16"/50 caliber Mark 7 gun
|
United States
|
World War II - Cold War
|
410
|
41 cm/45 3rd Year Type naval gun
|
Japan
|
World War II
|
412.8
|
BL 16.25 inch Mk I naval gun
|
United Kingdom
|
1890s
|
450
|
RML 17.72 inch gun
|
United Kingdom
|
1870s - 1900s
|
457
|
BL 18 inch Mk I naval gun
|
United Kingdom
|
1914 World War I
|
460
|
40 cm/45 Type 94 naval gun
|
Japan
|
World War II
|