The ProMag Industries DPM-A3-FDE 20-Round Magazine delivers superior reliability for your AR-308 and .308 caliber rifles. Crafted in the USA, this magazine ensures excellence with a lifetime guarantee against manufacturer's defects. Constructed from durable Dupont Zytel polymer, the DPM-A3-FDE is engineered for optimal performance and longevity. Each component undergoes stringent quality checks, ensuring consistent functionality with every use. 20-Round Magazine Fits AR-308 / .308 Cal AR Type Rifles Using Lr-308 (Dpms) Or Sr-25 Pattern Magazines Magazine Body Constructed of a Proprietary Dupont Zytel Based Polymer Injection Molded Magazine Follower Magazine Spring Formed From Heat Treated Chrome Silicon Wire Does Not Fit Rifles Using Armalite Pattern Magazines Made in the U.S.A. Choose the ProMag DPM-A3-FDE for unmatched durability and performance in the field.