FN Herstal FN 509c Compact Magazine 9mm Luger 12 Rounds Extended Polymer Base Plate Steel Matte Black

Overview

This FN Herstal factory replacement magazine is designed for use with FN 509 Compact 9mm Luger pistols. Constructed with a durable alloy steel body and a matte black finish, the magazine features a polymer follower and an extended polymer base plate, which acts as a pinky extension to facilitate a secure, three-finger grip. Each magazine has a 12-round capacity and includes precise witness holes for quick verification of the ammunition count. Manufactured to the same specifications and tolerances as the original equipment provided with the firearm, it ensures consistent feed geometry and reliable operation. This magazine is not compatible with FNS or FNX series pistols.

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