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 |
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 |
French 100 mm naval gun |
France |
Cold War - Modern |
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 |
AK-100 Naval gun |
Soviet Union |
Cold War - Modern |
100 |
10 cm/65 Type 98 naval gun |
Japan |
1942 - World War II |
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 |
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 |
190.5 |
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 |
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 |
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 |