ProMag FN 509 9mm 20-Round Blued Steel Magazine

The ProMagA(R) FNA(R) 509 9mm 20-Round Blue Steel Magazine is an affordable aftermarket pistol magazine trusted by volume target shooters and budget-minded home-defense shooters alike. Featuring heat-treated steel construction with a corrosion-resistant blued finish, this centerfire pistol magazine boasts a high-strength chrome silicon spring and injection-molded polymer follower for consistent cartridge alignment and smooth feeding performance. Numbered witness holes allow for quick visual round counts, while the removable floor plate offers quick disassembly and maintenance in the field. If that's not enough, this centerfire pistol magazine is backed by a lifetime warranty for exceptional quality and lasting field service you can depend on. Made in USA.