120 mm/50 pattern 1905 (120 mm)

Description

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Vehicles equipped with this weapon

• Marat
• Parizhskaya Kommuna
• Poltava

General info

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Available ammunition

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Penetration statistics
Ammunition	Type of warhead	Penetration @ 0° Angle of Attack (mm)
		1,000 m	2,500 m	5,000 m	7,500 m	10,000 m	15,000 m
Patt.1911 HE	HE	35	35	35	35	35	35
Patt.1911 SAP	SAP	143	125	100	81	67	52

Shell details
Ammunition	Type of warhead	Velocity (m/s)	Projectile mass (kg)	Fuse delay (s)	Fuse sensitivity (mm)	Explosive mass (TNT equivalent) (kg)	Ricochet
							0%	50%	100%
Patt.1911 HE	HE	732	29	0	0.1	3.16	79°	80°	81°
Patt.1911 SAP	SAP	792	28.97	0.035	5	3.73	47°	60°	65°

Comparison with analogues

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Usage in battles

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Pros and cons

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Pros:

Cons:

History

The Pattern 1905 120 mm gun is an Imperial Russian-era gun that was carried over into Soviet service. Originally developed by Vickers for export, the guns were purchased by the Imperial Russian Army for coastal defense and by the Imperial Russian Navy who used them on ships built in 1905 and 1913. After they purchased a significant number of these guns from Vickers, the Obukhov State Plant in Saint Petersburg built 180 by 1918 when production ended due to the Russian Civil War. With a Vickers-type cylindrical breech, the Pattern 1905 was a built-up gun with a layer of three cylinders. The gun was mounted on multiple ships in the Imperial Russian Navy such as the Kars and Gilyak-class gunboats where it was the main armament, the Tayfun-class river monitors as the secondary armament, and the anti-torpedo boat armament on the Rurik, the last armoured cruiser built by Russia, and the Gangut-class dreadnoughts. When the Soviet Union came to power, the Gangut-class shipsParizhskaya kommuna and the Frunze ended up in the Soviet Navy and took the Pattern 1905 guns with them. 24 more guns were built between 1921 and 1924. When the Russian Empire collapsed in 1917, Finland declared independence and captured several guns, some of which were fitted to civilian icebreakers during the Winter War, but the recoil was found to be too much and they were quickly removed. By the time World War II began, 110 guns were still in service, but they were phased out by the end of the 1950s.

Media

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See also

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• reference to the article about the variant of the cannon/machine gun;
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External links

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USSR naval cannons
20 mm	ShVAK
25 mm	2M-3
30 mm	AK-230 · 30 mm/54 AK-630 · 30 mm/54 AK-630M · BP "Plamya"
37 mm	37 mm/67 70-K · V-11
45 mm	45 mm/46 21-K · 45 mm/68 21-KM · 45 mm/89 SM-20-ZIF · 45 mm/89 SM-21-ZIF
57 mm	AK-725
75 mm	75 mm/50 Canet patt.1892
76 mm	34-K · 39-K · 76 mm/60 AK-176M · AK-726 · D-56TS · F-34 · Lender AA gun, pattern 1914/15
85 mm	85 mm/52 92-K · 85 mm/54.6 ZIS-C-53 · 90-K
100 mm	100 mm/56 B-34 · 100 mm/70 SM-5-1 · Minizini
102 mm	Pattern 1911
120 mm	120 mm/50 pattern 1905
130 mm	130 mm/55 pattern 1913 · 130 mm/58 SM-2-1 · B-13
152 mm	152 mm/57 B-38
180 mm	180 mm/57 B-1-P · 180 mm/60 B-1-K
305 mm	12-inch/52 pattern 1907 · 305 mm/54 B-50
356 mm	14-inch/52 pattern 1913 (356 mm)
	Foreign:
40 mm	2pdr QF Mk.IIc (Britain) · Skoda (Czechoslovakia)
47 mm	3 pdr QF Hotchkiss (Britain)
76 mm	76 mm/40 Ansaldo mod.1917 (Italy)
88 mm	SK C/30 (Germany)
120 mm	120 mm/50 Mk.4 Bofors M1924 (Sweden) · 120 mm/50 O.T.O. Mod.1933 (Italy)
152 mm	152/53 mm O.T.O. Mod.1929 (Italy)
320 mm	320 mm/44 Ansaldo model 1934 (Italy)