FN 66100782: From the makers of the world's most battle-proven firearms comes the release of the FN 509 Compact Tactical, the smallest and most concealable 9mm tactical pistol available on the market. Easily deployed as an everyday carry with the standard 12 or 15-round magazines or on the range with the extended 24-round magazine, giving 51 rounds of ammunition at the ready. The 4.3-inch cold hammer-forged threaded barrel makes it compatible with today's most popular aftermarket accessories like compensators or suppressors and the FN Low-Profile Optics-Mounting System, capable of accepting more than 10 miniature red dots, rounds out this compact tactical pistol.