The FN 503 is FN's entry into the compact single-stack concealed carry market, offering a slim 9mm in FN's first purpose-built pocket/carry pistol. At 21.16 ounces and 6.1 inches overall, it competes with the Glock 43 and Springfield Hellcat Micro. The 503 brings FN's manufacturing standards to the ultra-compact carry segment for the first time with a slim-profile offering. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 8 Year introduced: 2021, Belgium Weight: 21.16 oz Overall length: 6.1" Status: Active Intended use: concealed_carry, backup_weapon, pocket_carry