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Schwarzlose machine gun
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Schwarzlose machine gun

weapon
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History

Schwarzlose machine gun, early Austrian water-cooled machine gun (q.v.) operating on the blowback principle. A heavy breechlock and spring hold the bolt closed until the pressure has been reduced to a safe level. Then the fired cartridge case and bolt are blown to the rear against the main spring.

This article was most recently revised and updated by Robert Curley.