Keep your FN 509 fed with genuine factory magazines, the only ones built and tested to FN's military-grade reliability standards. This 10-round 9mm magazine wears a flat dark earth finish to match FDE 509 variants and is ideal for shooters in capacity-restricted states or anyone who wants dedicated range and training mags. FN builds its magazines with quality springs and followers designed for consistent feeding over thousands of cycles. Spare magazines are the cheapest reliability upgrade you can buy; smart shooters keep several.

In stock and ready to ship straight to your door from Dawson Defense, an Arizona-owned licensed dealer.