MP 18

The MP 18 is a German submachine gun designed and manufactured by Bergmann Waffenfabrik. Introduced into service in 1918 by the German Army during World War I, the MP 18 was intended for use by the Sturmtruppen, assault groups specialized in trench combat, as a short-range offensive weapon that would provide individual soldiers with increased firepower over a pistol.

MP 18
Bergmann MP 18
TypeSubmachine gun
Place of originGermany
Service history
In service1918–1945 (Germany)
Used bySee Users
WarsWorld War I
Russian Civil War
Warlord Era
German Revolution
Greater Poland Uprising (1918-1919)
Irish Civil War
Rif War
1924 Estonian coup d'état attempt
Chaco War
Spanish Civil War
Second Sino-Japanese War
Chinese Civil War
German-Czechoslovak War
World War II
Indonesian National Revolution
Iranian crisis of 1946
Ifni War
Production history
DesignerHugo Schmeisser
Designed1917
ManufacturerBergmann Waffenfabrik
C.G. Haenel (MP 28/II)
Lindelof Konetehdas (Lindelof Submachinegun)
Pieper (Mi 34)
Qingdao Iron Works
SIG (SIG M1920)
Produced1918–1920s
1928-Early 1940s (MP 28/II)
No. builtFewer than 30,000
Specifications
Mass4.18 kg (9.2 lb)
4.0 kg (8.8 lb) (MP 28/II)
Length832 mm (32.8 in)
Barrel length200 mm (7.9 in)

Cartridge9×19mm Parabellum
7.63×25mm Mauser (export)
7.65×21mm Parabellum (export)
9x23mm Largo (export) (MP 28/II)
9x25mm Mauser (export) (MP 28/II)
.45 ACP (export) (MP 28/II)
ActionOpen-bolt blowback
Rate of fireapprox. 350-500 rounds/min (MP 18)
550-600 rounds/min (MP 28/II)
Muzzle velocity380 m/s (1,247 ft/s)
Feed system10-round Mauser pattern detachable box magazine (MP 18,III and MP 18,IV prototypes)
20-round detachable box magazine (prototypes, post WW1, MP 28/II)
30-round detachable box magazine (post WW1)
32-round detachable box magazine (MP 28/II)
32-round detachable TM 08 drum magazine (WW1)
36-round detachable box magazine (Spanish Avispero copy)
40-round Mauser pattern detachable box magazine (MP 18,III and MP 18,IV prototypes, SIG 1920)
50-round Mauser pattern detachable box magazine (MP 18,III and MP 18,IV prototypes, SIG 1920)
50-round magazine from Lanchester (MP 28/II)
SightsV-notch and front post

Although MP 18 production ended after World War I, it was highly influential on subsequent small arms design; it formed the basis of most submachine guns manufactured between 1920 and 1960.

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