PROMAG MAG AR15 ROLLER FOLLOWER 40RD STEEL LINE

Description

40-round magazine – Fits AR-15® 5.56mm rifles – Over molded stamped steel feed lips and magazine catch – Magazine body constructed of a proprietary DuPont™ Zytel® based polymer – Patented anti-tilt Roller follower – Magazine spring formed from heat treated chrome silicon wire – Made in USA