The PT-76 is armed with the World War Two-standard 76.2mm main gun, has turret traversal of -4/+30 and can fire the standard set of projectiles - from high explosive to AP-T and HE-FRAG rounds. For self-defense, the system features a 7.62mm machine gun while some models have also added a 12.7mm air defense heavy machine gun of DShKM type. Additional fuel tanks can be added to the system increasing the overall road range by 68 miles (110 km).
By design, many of the PT-76's components are also shared with the BTR-50, SA-6 Gainful SAM and the ZSU-23-4. The engine of the PT-76 is also the same one that powers the T-55 Main Battle Tank.
The PT-76 is marketed as being fully amphibious but features some noticeable drawbacks in the way of no NBC protection, a rather large overall size and thin armor protection for ammunition and crew.
Total production numbers of the PT-76 has reached over 7,000 vehicles. The last PT-76 entered service in 1967, though modernization programs and new turret designs have kept the system ongoing. China produces a version of the PT-76 locally as the Type 63.
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