Crafted from impact-resistant, glass-filled nylon polymer, the ProMag FN Five-SeveN IOM & USG 5.7x28mm 20 Round Polymer Magazine is a performance packed aftermarket pistol magazine, engineered to deliver smooth, jam free operation in any tactical or personal defense application. Equipped with a removable floor plate for speedy cleaning and maintenance, this centerfire pistol magazine boasts a heat treated chrome silicon wire spring and injection molded polymer follower for smooth, reliable feeding and jam free operation, while the precision engineered feed lips deliver a snug fit for added reliability. Best part is, this magazine is backed by ProMag's legendary lifetime warranty, promising years of consistent field service and unwavering reliability when it matters most. Made in USA.

This is for one PROMAG 20 round polymer magazine for FN Five Seven IOM & USG models.

Specifications: Caliber: 5.7x28mm, Capacity: 20 Rounds, Body Material: Zytel Polymer, Color: Black, Floorplate: Zytel Polymer, Spring: Chrome Silicon Wire.