ProMag AR-15 9mm Conversion 40-Round Magazine Black Polymer

The ProMag AR-15 9mm Conversion 40-Round Magazine was designed to fit standard AR-15 9mm lower receivers. This 40-round magazine is constructed using a proprietary DuPontA(R) Zytel(TM) based polymer for superior strength without adding extra weight to your 9mm AR-15. The follower features injection-molded polymer construction, while the magazine spring is formed using heat-treated chrome silicon wire. The follower and spring combine to provide smooth, consistent feeding for reliable shot-to-shot performance at the range. Plus, this 9mm conversion mag is backed by ProMag's legendary lifetime warranty for unmatched quality and service you can trust. Order today! Made in USA.