Maximize your firepower potential with the ProMag® FN® Five Seven IOM & USG 5.7x28mm 55 Round Drum Magazine. Compatible with any standard USG lower receiver, this high capacity drum magazine features reinforced stamped steel feed lips and precision molded magazine catch lugs for superior stability, smooth feeding performance, and positive ejection, while the DuPont® Zytel™ polymer body delivers exceptional durability and boasts aggressive texturing for speedy reloads and a dependable non-slip grip with sweaty or gloved hands. The heat-treated chrome silicon wire spring and injection-molded polymer follower work together to deliver flawless alignment and consistent feeding performance in any environment. Plus, this 55 round drum magazine is backed by ProMag’s legendary lifetime warranty for superior quality and unwavering reliability in any targe or tactical environment. Made in USA.

Fits: ALL FN 5.7 models.

Specifications: Caliber: 5.7x28mm, Capacity: 55 Rounds, Body Material: Polymer, Floorplate: Black Polymer.

This is for one PRO MAG 55 round DRUM magazine for FN FIVE SEVEN models.