List of naval guns by caliber explained

This is a list of naval guns of all countries ordered by caliber.

width=12%	Diameter (mm)	width=48%	Weapon name	width=20%	Country of origin	width=20%	Period
20mm			World War II
20mm			World War II
20mm	20 mm Oerlikon		World War II - Cold War
20mm	20 mm Polsten		World War II - Cold War
20mm	2 cm/65 C/30		World War II
20mm	20 mm akan m/40 (Bofors 20 mm automatic gun L/70 model 1940)		World War II - Cold War
20mm	20 mm akan m/45 (Bofors 20 mm automatic gun L/70 model 1945)		Cold war
25mm	25 mm akan m/32 (Bofors 25 mm automatic gun L/64 model 1932)		Interwar - Cold war
25mm	1-inch Nordenfelt gun		1880s - 1890s
25mm	Type 96 25 mm AT/AA Gun		World War II
25.4mm	25 mm/76 (1") 84-KM		World War II
25.4mm	25 mm/79 (1") 110-PM (gun) 2M-3/8 twin over & under		Cold War
25.4mm	25 mm/60 Type 61		Cold War - Modern
27mm	Mauser BK-27		Modern
28mm	1.1"/75 caliber gun		World War II
30mm	Mk44 Bushmaster II		Modern
30mm	CRN 91 Naval Gun		Modern
30mm	DS30B rapid fire cannon		Modern
35mm	Oerlikon Millennium 35 mm Naval Revolver Gun System		Modern
37mm	Cannone-Mitragliera da 37/54 (Breda)		World War II
37mm	Canon de 37 mm Modèle 1925		World War II
37mm	QF 1-pounder pom-pom		World War I - World War II
37mm	3.7 cm SK C/30		World War II
37mm	3.7 cm FlaK 36		World War II
37mm	37-mm air-defense gun M1939 (61-K)		World War II - Cold War
37mm	37 mm kan M/98 (Finspång 37 mm naval gun L/35 model 1898)	Sweden-Norway	1890s - Cold War
37mm	37 mm kan M/98B (Finspång 37 mm naval gun L/39 model 1901)	Sweden-Norway	1900s - Cold War
38.1mm	38 mm kan M/84 (Nordenfelt 1½In fast shooting naval gun L/43 model 1884)	Sweden-Norway	1880s - World War I
40mm	40 mm ubakan m/32 (Bofors 40 mm submarine automatic gun L/43 model 1932)		1930s - Cold War
40mm	40 mm akan m/36 (Bofors 40 mm automatic gun L/60 model 1936)		1930s - Modern
40mm	40 mm akan m/48 (Bofors 40 mm automatic gun L/70 model 1948)		Cold War - Modern
40mm	QF 2-pounder naval gun		World War I - World War II
45mm	45 mm anti-aircraft gun (21-K)		World War II
45mm	45 mm/78 (1.77") SM-7 Quad		Cold War - Modern
46.5mm	47 mm kan M/83 (Stafsjö 47 mm Engström fast shooting naval gun L/22 model 1883)	Sweden-Norway	1880s - World War I
47mm	47 mm kan M/95 (Finspång 47 mm fast shooting naval gun L/55 model 1895)	Sweden-Norway	1880s - World War I
47mm	QF 3 pounder Hotchkiss Mk I, Mk II		World War I - World War II
47mm	QF 3 pounder Vickers		World War I - World War II
47mm	QF 3 pounder Nordenfelt		World War I - World War II
50mm	5 cm SK L/40 gun		World War I - World War II
52mm	5.2 cm SK L/55 gun		World War I - World War II
57mm	QF 6 pounder Hotchkiss 8 cwt Mk I, Mk II		World War I
57mm	QF 6 pounder Nordenfelt		1880s - 1920s
57mm	QF 6 pounder 10 cwt gun Mk I		World War II
57mm	S-60		Cold War
57mm	57 mm/75 (2.24") AK-725 (ZIF-72) twin		Cold War - Modern
57mm	57 mm/78.7 (2.24") SM-24-ZIF & ZIF-31		Cold War
57mm	57 mm/81 (2.24") ZIF-71 and ZIF-75 single & Quad		Cold War
57mm	57 mm kan M/89 (Maxim-Nordenfelt 57 mm fast shooting naval gun L/48 model 1889)	Sweden-Norway	1890s - World War I
57mm	57 mm kan M/89B (Finspång 57 mm fast shooting naval gun L/55 model 1889)	Sweden-Norway	1890s - Modern
57mm	57 mm kan M/92 (Maxim-Nordenfelt 57 mm fast shooting naval gun L/48 model 1892)	Sweden-Norway	1890s - Cold War
57mm	57 mm kan M/95 (Finspång 57 mm naval gun L/26 model 1895)	Sweden-Norway	1890s - Cold War
57mm	57 mm kan M/16 (Bofors 57 mm naval gun L/21 model 1916)		World War I - Cold War
57mm	Bofors 57 mm Naval Automatic Gun L/60		Cold War
57mm	Bofors 57 mm Automatic Anti-Aircraft Gun L/60		Cold War
57mm	Bofors 57 mm Naval Automatic Gun L/70		Cold War - Modern
65mm	Canon de 65 mm Modèle 1891		World War I - World War II
66mm	Škoda 7 cm guns		World War I - World War II
66mm	Škoda 7 cm K10		World War I - World War II
66mm	6 cm vzor 30 gun (Škoda)		World War II
70mm	Gonzalez Hontoria de 7 cm mod 1879	Spain	1879 - 1900s
75mm	Canon de 75 modèle 1897		World War I - World War II
75mm	Canon de 75 mm modèle 1924		World War II
75mm	75mm 50 caliber Pattern 1892		Russo-Japanese War - World War II
75mm	Bofors 75 mm naval anti air gun L/50		Interwar - World War II
75mm	Bofors 75 mm naval anti air gun L/55		Interwar - World War II
76.2mm	Cannon 76/40 Model 1916		World War I - World War II
76.2mm	Cannone da 76/45 S 1911		World War I - World War II
76.2mm	76mm/L62 Allargato		Cold War - Modern
76.2mm	Otobreda 76 mm		Cold War - Modern
76.2mm	3"/23 caliber gun		World War I - World War II
76.2mm	3"/50 caliber gun		World War II - Cold War
76.2mm	3"/70 Mark 26 gun		Cold War
76.2mm	76 mm air-defense gun M1914/15		World War I - World War II
76.2mm	76 mm air defense gun M1938		World War II
76.2mm	76.2 mm/55 (3") 34-K Pattern 1935		World War II
76.2mm	76.2 mm/59 (3") AK-726 Twin		Cold War - Modern
76.2mm	76.2mm mm/60 (3") AK-176 Single		Cold War - Modern
76.2mm	QF 12 pounder 12 cwt naval gun Mk I, Mk II, Mk V		1894 - 1945
76.2mm	QF 12 pounder 18 cwt naval gun		World War I
76.2mm	QF 14 pounder Maxim-Nordenfelt naval gun		World War I
76.2mm	QF 14 pounder naval gun Mk I & II naval gun		World War I
76.2mm			World War I - World War II
76.2mm	8 cm/40 3rd Year Type naval gun		World War I - World War II
76.2mm	8 cm/60 Type 98 naval gun		World War II
88mm	8.8 cm SK L/30 naval gun		World War I - World War II
88mm	8.8 cm SK L/35 naval gun		World War I - World War II
88mm	8.8 cm SK L/45 naval gun		World War I - World War II
88mm			World War II
88mm			World War II
88mm			World War II
88mm			World War II
88mm	Bofors 8,8 cm naval anti air gun L/45		Interwar - World War II
90mm	Canon de 90 mm Modèle 1926		World War II
90mm	Gonzalez Hontoria de 90 cm mod 1879	Spain	1879 – 1900s
90mm	Cannone da 90/53		World War II
95.3mm	RBL 20 pounder Armstrong 13 & 15 cwt		1860s
100mm	Škoda 10 cm K10		World War I
100mm	Canon de 100 mm Modèle 1891		1891-1945
100mm	10 cm/50 Type 88 naval gun		World War II
100mm	10 cm/65 Type 98 naval gun		World War II
100mm	Russia / USSR 100 mm/56 (3.9") B-34 Pattern 1940		World War II - Cold War
100mm	Russia / USSR 100 mm/70 (3.9") CM-5 Twin Turret		World War II - Cold War
100mm	French 100 mm naval gun		Cold War - Modern
100mm	AK-100 Naval gun		Cold War - Modern
102mm	102mm 60 caliber Pattern 1911		1911 - 1980
102mm	Bofors 10,2 cm submarine anti air gun L/35		Interwar - World War II
102mm	Bofors 10,2 cm naval anti air gun L/50		Interwar - World War II
102mm	BL 4 inch naval gun Mk I - VI		1880s - 1900
102mm	BL 4 inch Mk VII 50-caliber		World War I - World War II
102mm	BL 4 inch Mk VIII & XI 40-caliber		World War I - World War II
102mm	BL 4 inch Mk IX naval gun 45-caliber		World War I - World War II
102mm	QF 4 inch Mk I - III 40-caliber		1895 - World War I
102mm	QF 4 inch Mk IV, XII, XXII 40-caliber		World War I - World War II
102mm	QF 4 inch Mk V naval gun 45-caliber		World War I - World War II
102mm	QF 4 inch Mk XVI naval gun 45-caliber		World War II
102mm	EOC 4 inch 50 caliber		World War I - World War II
102mm	QF 4 inch Mk XIX naval gun 40-caliber		World War II
102mm	QF 4 inch naval gun Mk XXIII 33-caliber		Cold War - Borneo confrontation
102mm	4"/40 caliber gun		Spanish–American War - World War I
102mm	4"/50 caliber gun		World War I - World War II
102mm	Cannon 102/35 Model 1914		World War I - World War II
102mm	Cannon 102/45		World War I - World War II
105mm			World War I
105mm			1900 - 1945
105mm			1907 - 1945
105mm			1932 - 1945
105mm	Bofors 10,5 cm naval anti air gun L/50		Interwar - Cold War
113mm	QF 4.5 inch Mk I - V naval gun 45-caliber		World War II - Cold War
113mm	4.5 inch Mark 8 naval gun 55-caliber		Cold War - Modern
120mm	12 cm/12 short naval gun		World War II
120mm	Type 3 120 mm 45 caliber naval gun		World War I - World War II
120mm	12 cm/45 10th Year Type naval gun		World War II
120mm	12 cm 11th Year Type naval gun		World War II
120mm	BL 4.7 inch /45 naval gun Mk I, Mk II 45-caliber		World War I - World War II
120mm	QF 4.7 inch Gun Mk I - IV 40-caliber		Second Boer War - World War I
120mm	QF 4.7 inch Mk V naval gun 45-caliber		World War I - World War II
120mm	QF 4.7 inch Mk VIII naval gun 40-caliber		World War II
120mm	QF 4.7 inch Mk IX & XII 45-caliber		World War II
120mm	QF 4.7 inch Mark XI gun 50-caliber		World War II
120mm	Gonzalez Hontoria de 12 cm mod 1879	Spain	1879 – 1900s
120mm	Gonzalez Hontoria de 12 cm mod 1883	Spain	1883 – 1910s
120mm	120 mm Italian naval gun		1900s - World War II
120mm	120mm 45 caliber Pattern 1892		1890s - World War II
120mm	120 mm 50 caliber Pattern 1905		1905 - 1950's
120mm	12 cm kan M/94 (Bofors 12 cm naval gun L/45 model 1894)	Sweden-Norway	1890s - Cold War
120mm	12 cm kan M/11 (Bofors 12 cm naval gun L/45 model 1911)		World War I - Cold War
120mm	12 cm kan M/24 (Bofors 12 cm naval gun L/45 model 1924)		Interwar - Cold War
120mm	Bofors 120 mm Automatic Gun L/50		Cold War
120mm	Bofors 120 mm Automatic Gun L/46		Cold War
120.7mm	RBL 40 pounder Armstrong gun		1860s
127mm	BL 5 inch gun Mk I - V		1880s - 1900
127mm	5"/25 caliber gun		1920s - World War II
127mm	5"/31 caliber gun		1889-1910
127mm	5"/38 caliber gun		1930s - World War II - Cold War
127mm	5"/40 caliber gun		Spanish–American War - World War I
127mm	5"/50 caliber gun		World War I - World War II
127mm	5"/51 caliber gun		World War I - World War II
127mm	5"/54 caliber Mark 16 gun		Cold War - Korean War
127mm	5"/54 caliber Mark 42 gun		Cold War
127mm	5"/54 caliber Mark 45 gun		Cold War - Modern
127mm	5"/62 caliber Mark 45 gun		Modern
127mm	12.7 cm/50 Type 3 naval gun		1928 - World War II
127mm	12.7 cm/40 Type 89 naval gun		1932 - World War II
127mm	Otobreda 127/54 Compact		Cold War
127mm	Otobreda 127/64		Modern
128mm			1930s - World War II
130mm	Type H/PJ38 130 mm naval gun		Modern
130mm	130 mm/55 B7 Pattern 1913		World War I - World War II
130mm	130 mm/50 B13 Pattern 1936		World War II - Cold War
130mm	AK-130		Cold War
130mm	Canon de 130 mm Modèle 1919		World War II
130mm	Canon de 130 mm Modèle 1924		World War II
130mm	Canon de 130 mm Modèle 1932 and 1935		World War II
133mm	QF 5.25 inch Mark I		World War II - Cold War
138mm	Canon de 138 mm Modèle 1893 naval gun		World War I
138mm	Canon de 138 mm Modèle 1910 naval gun		World War I - World War II
138mm	Canon de 138 mm Modèle 1927		World War II
138mm	Canon de 138 mm Modèle 1929		World War II - Cold War
140mm	Gonzalez Hontoria de 14 cm mod 1883	Spain	1883 – 1900s
140mm	BL 5.5 inch/ 50 Mk I		1914 - 1940s
140mm	14 cm/50 3rd Year Type naval gun		1914 - World War II
140mm	14 cm/40 11th Year Type naval gun		1922 - World War II
140mm	Skoda 14 cm/56 naval gun		1932 - World War II
149.1mm	Škoda 15 cm K10		World War I
149.1mm	15 cm Ring Kanone L/30		1883 - World War I
149.1mm	15 cm SK L/35		1883 - World War I
149.1mm	15 cm SK L/40 naval gun		World War I - World War II
149.1mm	15 cm SK L/45		World War I - World War II
149.1mm			1930s - World War II
149.1mm			World War II
149.1mm			World War II
152.4mm	Cannon 152/32 Model 1887		1887-1910
152.4mm		Italy	World War I / World War II
152.4mm	152 mm /53 Italian naval gun Models 1926 and 1929		World War II
152.4mm	152 mm /55 Italian naval gun Models 1934 and 1936		World War II
152.4mm			World War II
152.4mm			1880s - 1890s
152.4mm	BL 6 inch gun Mk II - VI		1880s - 1900s
152.4mm			World War I
152.4mm			World War I - World War II
152.4mm			World War I - World War II
152.4mm			World War I - World War II
152.4mm			1920s - World War II
152.4mm	BL 6 inch Mk XXIII naval gun 50-caliber		World War II
152.4mm	QF 6 inch Mk I - III 40-caliber		1892 - 1945
152.4mm	Type 41 6 inch 40 caliber		1908 - 1945
152.4mm	15 cm/45 41st Year Type		1904 - 1945
152.4mm			World War I - World War II
152.4mm	6 inch 35 caliber naval gun 1877		1880s - 1910s
152.4mm	152 mm 45 caliber Pattern 1892		1890s - 1980s
152.4mm	15,2 cm kan M/98 (Bofors 15 cm naval gun L/42 model 1898)	Sweden-Norway	1890s - Cold war
152.4mm	15,2 cm kan M/03 (Bofors 15 cm naval gun L/50 model 1903)	Sweden-Norway	1900s - Cold war
152.4mm	15,2 cm kan M/30 (Bofors 15 cm naval gun L/55 model 1930)		Interwar - Cold war
152.4mm	15,2 cm kan M/42 (Bofors 15 cm naval automatic gun L/53 model 1939)		World War II - Modern
152.4mm	6"/30 caliber gun	United States	1900s - World War I
152.4mm	6"/40 caliber gun	United States	1900s - World War I
152.4mm	6"/50 caliber Mark 6 and 8 guns	United States	1900s - World War I - World War II
152.4mm	6"/53 caliber Mark 12, 14, 15 and 18 guns	United States	1920s - World War II
152.4mm	6"/47 caliber Mark 16 and 17 gun	United States	World War II - 1970s
155mm	Canon de 155 mm Modèle 1920 50-caliber		World War II
155mm	Advanced Gun System		Modern
155mm	MONARC		Modern
155mm	15.5 cm/60 3rd Year Type		World War II
160mm	RML 64 pounder 64 cwt gun		1860s - 1880s
160mm	Gonzalez Hontoria de 16 cm mod 1879	Spain	1883 – 1900s
160mm	Gonzalez Hontoria de 16 cm mod 1883	Spain	1879 – 1910s
164mm	Canon de 164 mm Modèle 1893		World War I - World War II
172.6mm	17 cm SK L/40 gun		World War I - World War II
178mm	7"/44 caliber gun		1900s
178mm	RBL 7 inch Armstrong gun		1860s
178mm			1860s - 1890s
180mm	Gonzalez Hontoria de 18 cm mod 1879	Spain	1879 – 1900s
180mm	Gonzalez Hontoria de 18 cm mod 1883	Spain	1883 – 1910s
180mm	180mm Pattern 1931-1933		World War II
190mm	Škoda 19 cm vz. 1904		World War I
190.5mm	BL 7.5-inch naval howitzer		World War I
190.5mm	BL 7.5 inch Mk I naval gun 45-caliber		World War I
190.5mm	BL 7.5 inch Mk II - V naval gun various 50-caliber guns		World War I
190.5mm	BL 7.5 inch Mk VI naval gun 45-caliber		1920s - World War II
190.5mm	Cannone da 190/45		Balkan Wars - World War I - World War II
194mm	Canon de 194 mm Modèle 1893-1896 40-caliber		1893-1930
194mm	Canon de 194 mm Modèle 1902 gun 50-caliber		World War I - World War II
200mm	Gonzalez Hontoria de 20 cm mod 1879	Spain	1879 - 1900s
200mm	Gonzalez Hontoria de 20 cm mod 1883	Spain	1883 - 1910s
203mm			1860s - 1880s
203mm			1880s - 1900s
203mm			1920s - 1950s
203mm	EOC 8 inch 40 caliber		1893 - 1945
203mm	EOC 8 inch 45 caliber		1895 - 1945
203mm	8"/30 caliber gun		1886 - 1906
203mm			1880s - 1920s
203mm			1900s - 1930s
203mm	8"/55 caliber gun		1920s - 1970s
203mm	8"/55 caliber Mark 71 gun		1975 - 1978
203mm	20.3 cm/45 Type 41 naval gun		World War I - World War II
203mm	20 cm/12 short naval gun		World War II
203mm	20 cm/50 3rd Year Type No.2		World War II
203mm	203mm/50 Modèle 1924 gun		1920s - 1940s
203mm	203mm/55 Modèle 1931 gun		1930s - 1940s
203mm			World War II
203mm			1930s - World War II
203mm			World War II
203mm			1895 - World War I
203mm			1905 - 1945
204mm	ML 8 inch shell gun		1820s - 1860s
206mm	68-pounder gun		1840s - 1900s
210mm	21 cm L/35		1890-1936
210mm			World War I - World War II
210mm			World War I - World War II
210mm	21 cm kan M/98 (Bofors 21 cm naval gun L/44 model 1898)	Sweden-Norway	1900s - World War II
228.6mm			1860s - 1890s
229mm	9"/35 (22.9 cm) Pattern 1877		1870s - World War I
234mm	BL 9.2 inch gun Mk I - VII		1880s - 1918
234mm	BL 9.2 inch Mk VIII 40-caliber		1890s - 1910s
234mm	BL 9.2 inch Mk X 46-caliber		1900s - World War I
234mm	BL 9.2 inch Mk XI 50-caliber		World War I
240mm	240mm/50 Modèle 1902 gun		World War I - World War II
240mm	24 cm K L/35		World War I - World War II
240mm	24 cm SK L/40		World War I - World War II
240mm	Škoda 24 cm L/40 K97		World War I
NaNmm	Paixhans guns		1841
254mm	10"/31 caliber gun		1890s - 1921
254mm	10"/40 caliber gun Mark 3		1890 - 1921
254mm	RML 10 inch 18 ton gun		1868 - 1900s
254mm	BL 10 inch Mk II - IV 32-caliber guns		1885 - 1900s
254mm	Cannone da 254/40 A		1893 - 1940s
254mm	EOC 10 inch 40 caliber		1893 - 1940s
254mm	10 in/40 Type 41 naval gun		1899 - 1945
254mm	EOC 10 inch /45 naval gun		1904 - 1940s
254mm	Vickers 10 inch /45 naval gun		1904 - 1920s
254mm	254mm 45 caliber Pattern 1891		1897 - 1930
254mm	Gonzalez Hontoria de 25,4 cm mod 1870	Spain	1870 – 1980s
254mm	Bofors 25,4 mm naval gun L/45 model 1932		Interwar - Cold War
274mm	Canon de 274 modèle 1887/1893		World War I - World War II
274mm	Canon de 274 modèle 1893/1896		World War I - World War II
280mm			1870s - 1890s
280mm	Gonzalez Hontoria de 28 cm mod 1883	Spain	1883 – 1920s
283mm	283 mm kanon M/12 (Bofors 28,3 mm naval gun L/45 model 1912)		World War I - World War II
283mm			World War I
283mm			World War I
283mm			World War I - World War II
283mm			World War I - World War II
283mm	28 cm SK C/28 naval gun		World War II
283mm			World War II
305mm			1860s - 1870s
305mm			1870s
305mm			1880s - 1890s
305mm			1890s - 1910s
305mm	BL 12 inch Mk X Vickers 45-caliber		World War I
305mm	BL 12 inch Mk XI & XII Vickers 50-caliber		World War I
305mm	BL inch Mk IX		World War I
305mm	EOC 12 inch /45		World War I
305mm	305mm/45 Modèle 1887 gun		1890s - 1910s
305mm	305mm/40 Modèle 1893 gun		1890s - 1910s
305mm	305mm/45 Modèle 1906 gun		World War I
305mm	Russian 12 inch 40 caliber naval gun		1896 - World War I
305mm	Obukhovskii 12"/52 Pattern 1907 gun		World War I - Cold War
305mm			World War I - World War II
305mm			World War I
305mm	Škoda 30.5 cm /45 K10		World War I
305mm	12"/35 caliber gun		1896-1920
305mm	12"/40 caliber gun		World War I
305mm	12"/45 caliber Mark 5 gun		World War I
305mm	12 inch/50 caliber naval gun		World War I - World War II - Cold War
305mm	12"/50 caliber Mark 8 gun		World War II - Cold War
317.5mm			1875 - 1890s
320mm	Gonzalez Hontoria de 32 cm mod 1883	Spain	1883 – 1920s
320mm	Cannone Navale da 320		World War II
330mm	13"/35 caliber gun		1890s - 1920s
330mm	330mm/50 Modèle 1931 gun		World War II
340mm	340mm/28 Modèle 1881 gun		1880s - 1910s
340mm	340mm/45 Modèle 1912 gun		World War I - World War II
343mm	BL 13.5 inch Mk I - IV 30-caliber guns		1890s - 1900s
343mm	BL 13.5 inch Mk V Vickers 45-caliber		World War I
350mm			World War I
356mm		Chile	World War I - 1950s
356mm	36cm/45 41st Year Type		World War I - World War II
356mm	14"/45 caliber gun		World War I - World War II
356mm	14"/50 caliber gun		World War I - World War II
356mm	BL 14 inch Mk VII		World War II
356mm	14"/52 (35.6 cm) Pattern 1913		1914 World War I
3802NaN2	38 cm SK L/45 "Max" (Langer Max)		World War I
3802NaN2	38 cm SK C/34		World War II
380mm	380mm/45 Modèle 1935 gun		World War II - Cold War
381mm	BL 15 inch Mk I naval gun		World War I - World War II - 1950s
381mm			World War I - World War II
381mm			World War II
406mm			1880s - 1890s
406mm	16"/45 (40.6 cm) Vickers as No. 1712A		World War I
406mm	BL 16 inch Mk I naval gun		World War II
406mm	16"/45 caliber Mark 1, 5 & 8 gun		1920s - World War II
406mm	16"/45 caliber Mark 6 gun		World War II
406mm	16"/50 caliber Mark 7 gun		World War II - Cold War
406mm	406 mm/50 (16") B-37 Pattern 1937		World War II
4062NaN2	16"/50 caliber Mark 2 & 3 gun		1920s - World War II
4102NaN2	41 cm/45 3rd Year Type naval gun		World War II
412.8mm	BL 16.25 inch Mk I naval gun		1890s
4502NaN2	RML 17.72 inch gun		1870s - 1900s
457mm	BL 18 inch Mk I naval gun		World War I
457mm	18"/47 caliber Mark A gun		1920
457mm	18"/48 caliber Mark 1 gun		World War II
4601NaN1	46 cm/45 Type 94 naval gun		World War II
530mm			World War II

See also

• List of artillery
• List of the largest cannon by caliber
• Glossary of British ordnance terms

External links

• NAVWEAPS - Naval weapons of the world, 1880 to today (retrieved 2010-02-01)