The Echelon from Springfield Armory sets a new standard for modern, striker-fired duty pistols. With a host of patent-pending features, this modular and highly adaptable handgun is designed around a robust stainless steel chassis and revolutionary optics mounting system. Available in full-size (4.5F) and new compact (4.0C) configurations, it is engineered with superior ergonomics and built to withstand the harshest conditions. The patent-pending Echelon takes its rightful place at the front of the pack. The Echelon from Springfield Armory - Unparalleled.