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.
50-Round Drum Magazine “Fits The Fn Five-Seven Usg 5.7X28MM ” “Magazine Body Constructed of a Proprietary Dupont Zytel Based Polymer” “Injection Molded Magazine Follower” “Magazine Spring Formed From Heat Treated Chrome Silicone Wire” “Made in the U.S.A.”
