the AC-Unity AK-47 7.62x39mm Quad Stack 60-Round Magazine features a durable, yet lightweight, ribbed polymer body for lasting corrosion resistance and superior performance in any environment. This AC-Unity AK-47 magazine boasts a unique quad-stack system, designed to maximize your firepower potential in a standard-length magazine. Steel-reinforced lugs and feed lips deliver a precise fit for added reliability, while the steel wire spring and polymer follower offer smooth, snag-free feeding. Better yet, this quad-stack magazine is equipped with a last-round hold-open feature for additional reliability. Compatible with multiple AK variants, including the AK-47, AKM, AK103, and AK104, and loads like any other AK-47 mag without any special tools.