ProMag AR-308 .308 Caliber 50 Round Drum Magazine

The ProMag AR-308 .308 Caliber 50 Round Drum Magazine fits most AR-308 and .308 Cal AR type rifles using LR-308 DPMS or SR-25 pattern magazines. It features overmolded stamped steel feed lips and magazine catch. The magazine body is constructed of a proprietary DuPont Zytel based polymer with an injection molded magazine follower. It also has a heat treated stainless steel magazine spring. It does not fit rifles using Armalite pattern magazine and is made in the USA.