ECHELON HIGH CAPACITY 9MM LUGER SEMI-AUTO HANDGUN Engineered with superior ergonomics and built to withstand the harshest conditions, the Echelon(TM) 4.5" 9mm handgun sets a new standard for modern, striker-fired duty pistols. With a host of patent pending features, this modular pistol is designed around a robust stainless steel chassis. In addition, a revolutionary optics mounting system allows for unparalleled adaptability with a broad range of optics. Fully ambidextrous, the Echelon features a U-Dot or 3-Dot sight system for fast target acquisition and includes two magazines. Central Operating Group The all-new Central Operating Group is self-contained and serial Mfg: Springfield Armory