The 38 cm Belagerungshaubitze M 16 was a super-heavy siege howitzer used by Austria-Hungary during World War I.
Škoda 380 mm Model 1916 howitzer, at the Heeresgeschichtliches Museum, Vienna, Austria.
The mount of 'Gudrun' on the rail trailer at the National Military Museum, Romania
Rifled breech loader
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A rifled breech loader is an artillery piece which, unlike the smoothbore cannon and rifled muzzle loader which preceded it, has rifling in the barrel and is loaded from the breech at the rear of the
A Japanese swivel breech-loading gun of the time of Oda Nobunaga, 16th century.
Wahrendorff breech
Armstrong gun screw breech.
The Armstrong gun was a pivotal development for modern artillery as the first practical rifled breech loader. Pictured, deployed by Japan during the Boshin War (1868–69).