Springfield Armory EC9459BU Echelon Full Size 9mm Luger 20+1 4.50" Black Melonite Steel Barrel & Optic Ready/Serrated Steel Slide, Black Polymer Frame w/Picatinny Rail, Textured Grip, 2 Mags

The Echelon from Springfield Armory is a modular and highly adaptable handgun designed around a robust stainless steel chassis and optics mounting system. Engineered with ergonomics and built to withstand the harshest conditions. Features the COG, entirely self-contained and serialized allowing it to be easily moved between grip modules in seconds; optic mounting system; Variable Interface System (VIS) allows users to mount over 30 optics directly to the slide without the use of adapter plates; the slide features four distinct engagement surfaces; a trench cut forward of the action gives shooters a natural index location for press checks and charging the firearm and the back of the slide is flared for positive purchase while deep forward and rear serrations are carried through the corners for a firm grip from any angle. Includes two magazines and case.