Bulgarian-made, high capacity, AK-74 magazines marked with Optico Electron Inc Circle 25. Polymer magazine body with smooth face and reinforced ribbed sides for increased rigidity, longevity, and the utmost in reliable function. Compatible with most AK-74/RPK 74-pattern rifles in 5.45x39.5mm. These are mil-spec and the only magazine on the market that can pass the military drop test. Steel reinforcements molded inside the polymer body. Mil. surplus, good to excellent condition marked with Optico Electron Inc Circle 25. 5.45x39.5, 30 rd, Bulgarian, mil-spec, steel reinforced. reinforced.