60 or 70 guns were made in total; those were of inferior quality and the magazines were not interchangeable. The production suffered multiple delays, in 1925 the first guns were completed and small amounts were sold to police, coastal guard, local civil guard organizations and customs. 12 were acquired by the civil guard in 1932 as a pledge from a failed contract. :After WW1 a small amount was surrendered by Germany; they were still in inventory in 1939 : : Used by the police after WWI. : ex-Japanese Swiss-made guns : 9 were in inventory in 1940 : Used Swiss-made SIG M/20 in 7.63×25mm Mauser and used against the Chinese : approx. 6 Bergmann MP-18s in the stock of the Latvian Army by April 1936 : SIG M/20 supplied by Japan :MP28 used by KNIL : The Assault Group of the Norwegian Police Service acquired 26 SIG Bergmann 1920 submachine guns in 1937 :Purchased a few MP 28s before the Chaco War, later captured more from Bolivian forces.SIG Bergmannnscaptured from Bolivia : in 7.65mm : Small numbers of MP18 and MP28/II submachineguns were used by police units in the interwar years Large numbers of MP 28/II submachine guns were supplied to the Iron Guard by the Sicherheitsdienst, used by the army after the Iron Guard Rebellion : Used by Reinsurance division (Security division) in Belorussia and Ukraine against pro-Soviet partisans : Korean Liberation Army used in Second Sino-Japanese War received by National Revolutionary Army : MP 28s produced under license :25 SIG Bergmanns in 7.65mm were trialed by the army, but were not adopted. The Zurich police adopted the SIG Bergmann in 9mm Parabellum. :The SIG Bergmann was adopted by police. It was also used for executions until the 1980s, when it was replaced by the MP5SD Notes Bibliography Further reading Clinton Ezell, Edward. Small arms of the world, Eleventh Edition, Arms & Armour Press, London, 1977 de Vries, G.; Martens, B.J. The MP 38, 40, 40/1 and 41 Submachine gun, Propaganda Photos Series, Volume 2, Special Interest Publicaties BV, Arnhem, The Netherlands. First Edition 2001 Gotz, Hans Dieter, German Military Rifles and Machine Pistols, 1871–1945, Schiffer Publishing, Ltd. West Chester, Pennsylvania, 1990. Günter Wollert; Reiner Lidschun; Wilfried Kopenhagen, Illustrierte Enzyklopädie der Schützenwaffen aus aller Welt: Schützenwaffen heute (1945-1985), Berlin : Militärverlag der Deutschen Demokratischen Republik, 1988. Smith, W.H.B, Small arms of the world: the basic manual of military small