This variant of the PMAG (Polymer MAGazine) is a lightweight 20-round 5.56 NATO, M-16/AR15 compatible magazine. It features a straight body with an advanced impact resistant polymer construction, a pop-off Impact Cover for storage, and an easy to dissasemble design with a flared floorplate for easy magazine extraction from pouches. The 20-round PMAG utilizes a resilient stainless steel spring for corrosion resistance and a controlled-tilt, self-lubricating follower for increased reliability. Made in U.S.A.