ProMag FN Five-Seven USG 5.7x28mm 20-Round Polymer Magazine Black

This is a 20-round 5.7 FN Five-seveN USG magazine from ProMag.Crafted from impact-resistant, glass-filled nylon polymer, the ProMag FN Five-seveN USG 5.7x28mm 20-round magazine is a performance-enhanced aftermarket magazine engineered to deliver lasting service at a budget-friendly price.Additionally, this 5.7 magazine boasts a heat-treated chrome silicon wire spring and injection-molded polymer follower to deliver smooth feeding and jam-free operation, while the precision-engineered feed lips e