Springfield Armory Echelon 4.0FC Gear Pac 9mm Luger 4in Black Melonite Pistol - 10+1 Rounds - California Compliant - The Echelon 4.0FC combines full-size handling with a more compact slide configuration, featuring a 4-inch barrel paired with a full-length grip. Built around Springfield's Central Operating Group, it delivers a serialized, modular foundation designed for adaptability and performance. Its Variable Interface System allows direct mounting of many of today's most popular optics. Fully Ambidextrous; Includes Red Dot; Includes 4 Magazines;