PRO MAG 308 Win / 7.62 NATO 50rd Drum Magazine Fits SR25 & DPMS Pattern AR10 | FDE

ProMag 50-round drum magazine for AR-308 AR pattern rifles using LR-308 DPMS or SR-25 magazines. Constructed with a DuPont Zytel polymer body, chrome silicon wire spring, and injection molded follower. Fits SR25/DPMS pattern AR-10 rifles; does not fit Armalite pattern rifles. Made in USA. Specifications and features include a 50-round drum, polymer body, chrome silicon spring, and full-length steel internal insert in the upper tower.