Favored by civilian and professional shooters across the globe, the DuramagA(R) 7.62x39 AR-15 20-Round Stainless Steel Magazine is an affordable aftermarket centerfire rifle magazine, built around a premium 410 stainless steel body with a slick, corrosion-resistant T-360(TM) coating, engineered to deliver superior durability and longevity in adverse conditions. Caliber-specific rib geometry ensures reliable feeding and internal round stacking, while the LipLock feed lip design keeps rounds secured and in proper alignment for jam-free reliability. Better yet, the EverFlex(TM) anti-fatigue steel spring and the Advanced Geometry Follower(TM) ensure proper cartridge alignment and protect against binding and deliver smooth feeding performance you can count on. Order yours today!