This variant of the PMAG™ (Polymer MAGazine) is a lightweight 20-round 5.56 NATO, M-16 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.