Ciężki karabin maszynowy wz. 30

Produced with various modifications such as greater caliber, longer barrel and adjustable sighting device,[2] it was an improved although unlicensed copy of its predecessor, and was the standard machine gun of the Polish Army from 1931.[2][4][5] Initially the Hotchkiss machine gun, proven during the Polish–Soviet War and adapted to the standard Polish 7.92 mm round (as the Ckm wz.In late 1924 and early 1925, 1,250 were ordered from France and the Polish Ministry of War started talks on buying the license for manufacturing copies in Poland.In addition, the documentation of a recently purchased license for Browning Automatic Rifle (via Colt's agent, Belgian company Fabrique Nationale de Herstal) was faulty, and deliveries were delayed, which discouraged the Polish from further orders abroad.[3] There were trials to sell them also to other countries, like Romania, Bulgaria, Estonia, Yugoslavia and Argentina, but in spite of favourable participation in contests, the state factory had no resources to credit deliveries.[3] Among others, in 1936 in Argentina the wz.30 machine gun was evaluated as more reliable and accurate than original Browning M1928, but Colt could ensure more favourable conditions of delivery.
Ckm wz. 30 mounted on a Polish Army motorcycle Sokół 1000 with the handle and sights adapted for anti-aircraft fire, photo from before 1 September 1939
M1930 MGs on M1934 tripods presented by the youth to Marshal Rydz-Śmigły , 1939
During the Warsaw Uprising , 1944
Captured Polish M1930 MG on M1934 tripod on German defensive positions in coastal France, 1943
Heavy machine gunSecond Polish RepublicSpanish Civil WarWorld War IIPaństwowa Fabryka KarabinówBarrelCartridge7.92×57mmCaliber7.92 mmActionRate of fireMuzzle velocityBrowning M1917sighting devicePolish ArmyPoland regained her independence in 1918machine gunsPolish–Soviet WarM1910 MaximSchwarzlose MG M.07/12Maschinengewehr 08Hotchkiss Mle 1914Ckm wz. 25 HotchkissBrowning M1917A1CzechoslovakianVickers machine gunBrowning Automatic RifleFabrique Nationale de HerstalFabryka KarabinowSokół 1000Rydz-ŚmigłyWarsaw Uprising7.92×57mm MauserLoophole iron sightsanti-aircrafttrigger7.65×53mm ArgentineLancasterexportedSEPEWERepublican SpainRomaniaNationalist SpainHome ArmyKingdom of RomaniaSecond Spanish RepublicTurkeyNazi GermanyRepublic of ChinaM1917 Browning machine gun derivativesM2 StingerCkm wz.30Breda-SAFAT machine gunKulspruta m/39Kulspruta m/42Heavy machine gunsM1921 Browning machine gunMitrailleuse d'Avion Browning - F.N. Calibre 13,2 mmHo-103 machine gunAutocannonsHo-5 cannonHo-155 cannonHo-204 cannonPolish CampaignSidearmsrifleswz. 30 Nagant revolverwz. 32 Nagant revolverwz. 35 Vis pistolkb wz. 98 riflekb wz. 98a riflekbk wz. 91/98/23 carbinekbk wz. 29 carbineckm wz. 25 Hotchkiss machine gunckm wz. 30 machine gunrkm wz. 28 light machine gunkb ppanc wz. 35 anti-tank riflenkm wz. 38 FK autocannonwz. 36 grenade launcherGrenadeswz. 33 (fragmentation)wz. 24 (concussion)pm Mors submachine gunkbsp wz. 38M semi-automatic riflekbk KP-32 carbinepmd submachine gun