ProMag FN 509 9mm 17-Round Blued Steel Magazine

This is a ProMag 17-round 9mm aftermarket magazine for the FN 509.Engineered for exceptional field performance at an affordable price, the ProMag FN 509 17-round blued steel magazine is a perfect aftermarket replacement mag for any shooter on a budget.With heat-treated steel construction with a corrosion-resistant blued finish for lasting durability, and a high-strength chrome silicon spring paired with an injection-molded polymer follower for consistent cartridge alignment, the ProMag FN 509 mag is designed to deliver exceptional performance with every shot.Additionally, numbered witness holes allow for quick visual round counts, while the removable baseplate allows for easy disassembly and maintenance.The centerfire pistol magazine is backed by a lifetime warranty and made in the USA.