Kalashnikov USA's Steel Window Magazines are just as reliable as their legendary firearms and have an unbeatable price. They are compatible with virtually any AK-pattern rifle chambered in 7.62x39mm, and are constructed from high-strength steel with a sleek black Cation Electrodeposition Coating for excellent resistance to rust, corrosion, and harsh environments. To ensure the utmost reliability and flawless feeding, the Steel Window Magazines utilizes a high-tensile-strength music wire compression spring as well as anti-tilt follower and reinforced feed lips. In addition, these magazines feature a "window" in the front and side, allowing the user to immediately tell how many rounds are left in the magazine.Features:Compatible with virtually any AK-pattern rifle chambered in 7.62x39mmConstructed from high-strength steelSleek Black Cation Electrodeposition Coating for rust/corrosion resistanceHigh-tensile-strength music wire compression spring & anti-tilt follower and reinforced feed lips for reliable feedingSkeletonized window allows the user to immediately tell how many rounds are left in the magazine