Zastava M76
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The Zastava M76 is a military semi-automatic designated marksman rifle developed and manufactured by Zastava Arms. Wikipedia
Barrel length: 550 mm (21.7 in)
Cartridge: 7.92×57mm Mauser
Designed: 1975
Effective firing range: 800 m (875 yd)+ with optics
Feed system: 10 round detachable box
In service: 1976–present
Muzzle velocity: 730 m/s (2,395.0 ft/s)