ProMag Industries Drum Magazine, 223 Remington/556NATO, 65 Rounds, Fits AR Rifles, Polymer, Black DRM-A8 DRMA8

This drum fits AR-15 firearms chambered in 5.56mm / .223 Rem. It has a body made of a DuPont Zytel based polymer. It has over molded stamped steel feed lips and magazine catch. Additional components include an injection molded follower and a spring formed from heat treated chrome silicon wire. Fits AR-15 5.56mm / .223 Rem firearms;Over molded stamped steel feed lips and magazine catch;Magazine body constructed of a proprietary DuPont Zytel based polymer;Injection molded follower;Spring formed from heat treated chrome silicon wire