Quick view FN FN 509, Fn 66-100818 509c Nms Fde/fde Ls(1) 12-rnd(1)15rd $629.00 The fn 509 compact represents the next evolution in personal protection with the performance of a full-sized pistol in a concealable size.With low-profile, snag-free sights, its the right addition for every day carry and the perfect fit for in-the-waist... Compare Add to Cart