Constructed of steel with an electro plate finish these magazines will withstand the toughest corrosive environments. A hi-tensile compression spring, anti-tilt follower and reinforced feed lips provide reliable feeding and long life. A ribbed exterior and a prominent dorsal spine provide a positive grip for precise manipulations. Technical Specifications Weight 0.8lbs Color Black Compatible with AK-47 Caliber 7.62x39mm Capacity 40 rounds Body Material Steel Spring Material Music Wire Finish Cation Electrodeposition Coating