Favored by tactical shooters across the globe, the Magpul® PMAG® 5.56 AC-AICS Short-Action 10-Round Magazine features a durable, impact-resistant polymer body, designed to deliver superior strength and corrosion resistance in harsh tactical environments. The heat-treated steel wire spring and injection-molded, self-lubricating polymer follower deliver smooth feeding operation, while the constant curve internal geometries eliminate binding for improved reliability. Made in USA.