Description
ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturer’s defects. Magazine springs are precision wound using heat-treated chrome silicon wire and each and every step of the assembly process is checked and double checked in order to maintain the same consistent level of quality.
20-Round Magazine “Fits AR-15 / M16 .223 and 5.56X45MM Rifles and Carbines” “Magazine Body is Constructed of a Proprietary Dupont Zytel Based Polymer and Heat Treated Steel with Black Oxide Finish” “Steel Upper, Polymer Lower Housing” “Injection Molded Magazine Follower” “Magazine Spring Formed From Heat Treated Chrome Silicon Wire” “Made in the U.S.A.”