The Kel-Tec PF-9 was the thinnest and lightest 9mm pistol in production when introduced, achieving its slim profile through an aluminum frame insert in a polymer chassis. Designed for concealed carry in calibers effective enough for self-defense, it became the best-selling pistol in the United States for several years after introduction. Type: Pistol Action: Semi-Automatic Caliber: 9mm Parabellum Capacity: 7 Year introduced: 2006, USA Weight: 12.7 oz Overall length: 5.85" Status: Active Intended use: Concealed Carry