Originally developed for military and law-enforcement tactical applications, the FN Five-seveN is chambered for the 5.7x28mm cartridge and has an impressive 20+1 capacity. It offers a high-velocity, medium-range, penetrating round in a lightweight, low-recoiling handgun. Weighing up to 30% less than comparably sized 9mm pistols, the Five-seveN is engineered for minimal muzzle jump. Rugged polymer construction with an integrated tactical rail for accessories. Ambidextrous manual safety. Three 20-round magazines included.