The Springfield Armory Echelon Full Size pistol delivers reliable performance in 9mm Luger with a generous 20+1 round capacity and 4.50-inch barrel featuring distinctive OD Green Cerakote finish.Springfield Armory Echelon Full Size Pistol - Model EC9459GU9mm Luger caliber with 20+1 round capacity4.50-inch black Melonite steel barrelOD Green Cerakote frame finishOptic ready serrated steel slidePolymer frame with integrated Picatinny railTextured grip for enhanced controlEngineered for tactical applications and personal defense this full-size pistol combines Springfield Armory's proven reliability with modern features including optic-ready capability and accessory mounting options.