Police in Athens discovered a drug lab in a ground floor apartment in the western Agii Anargyri district, it was announced on Tuesday.
Police raided the apartment two days ago and seized 270 grams of heroin, 3.4 grams of cocaine, 7.760 grams of a drug adulteration substance, an assault rifle, two precision scales and paraphernalia used in drug adulteration and packaging.
An investigation is underway for the arrest of the lab operators.
In a separate incident, an Albanian woman, 31, was arrested in downtown Athens after police found in her possession 1.510 grams of heroin, 14,550 euros and three precision scales.