PKP "Pecheneg" (Russian: Печенег) is a Russian machine gun chambered for the 7.62 x 54 mm round. It is a modernised PK machine gun. The Pecheneg is said to be more accurate than all its predecessors due to a heavier, non-removable forced air cooling barrel with radial cooling ribs and a handle which eliminates the haze effect from hot gases and keeps the barrel cooler, making the weapon more reliable.
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PKP Pecheneg

PKP Pecheng

PKP Pecheneg in MW3