KCI USA AR-15 .223 / 5.56 21-Round Magazine

The KCI USA AR-15 .223 / 5.56 21-Round Magazine features a durable translucent polymer body, offering reliable performance while simultaneously providing visual verification of your remaining ammunition. An aggressive grip pattern offers a firm, non-slip grip for faster reloads, while the precision-molded and reinforced feed lips ensure proper fitment with most Mil-Spec AR-15 receivers. This magazine also comes equipped with a durable steel wire spring and polymer follower for smooth and consist