This is the Promag FN 509 32-round extended magazine, and is chambered in 9mm.

This 509 extended magazine is designed with a tough steel skeleton, ensuring years of use. The polymer accessories make for an incredibly reliable magazine. The polymer baseplate can be detached easily when needed, which makes any cleaning and maintenance a breeze. The polymer follower and steel spring work cohesively together, allowing for smooth and reliable feeding and loading processes. Adding to the feeding efficiency, the steel feed lips are more than capable of weathering a great deal of use and tough treatment.

If you’re on the hunt for an awesome upgrade to your own FN 509, look no further. There is no better feeling than hitting the range, ready to sling a full 32 rounds of 9mm ammunition downrange. Pick up a Promag FN 509 32 round magazine from The Mag Shack today!

Product Details