This 30-round magazine from ProMag is designed for use with AR-15s chambered in 7.62x39mm.The magazine body is constructed of heat-treated steel with a black oxide finish with a spring formed from heat-treated chrome silicon wire.The injection-molded magazine follower provides reliable feeding for consistent performance.ProMag AR-15 7.62x39 Magazine30 Round CapacityMade of Heat-Treated SteelOrder your ProMag7.62x39 magazine online today!Score big savings and fast shipping on all your favorite rifle and pistol ProMag Magazines available online at Ammunition Depot.Save time and money when you purchase 7.62x39mm ammo at Ammunition Depot! Our online inventory of cheap ammo for sale is available from the top brands you know and trust.