ProMag AR-15 5.56mm 65 Round Drum Magazine

The ProMag AR-15 5.56mm 65 Round Drum Magazine fits AR-15 5.56mm rifles. It features over molded stamped steel feed lips and magazine catch. The magazine body is constructed of a proprietary DuPont Zytel based polymer with an injection molded follower. The magazine spring is formed from heat treated chrome silicon wire and is made in the USA.