14.5-mm quad design Leszczynski ZPU-4. Designed to combat aircraft at altitudes up to 2,000 metres (6,600 ft) and against lightly armored ground targets. Fires at a rate of 600 rounds / min. Unit weight 2,100 kilograms (4,600 lb). 29.09.2007
<a href="//commons.wikimedia.org/wiki/User:George_Shuklin" title="User:George Shuklin">George Shuklin</a>
CC BY-SA 1.0
the Military-Historical Museum of Artillery, Engineers and Signal Corps, St. Petersburg, Russia