Springfield Armory(R) Echelon 4.0C is a compact 9mm Luger Semi-Auto pistol with a 4 in. hammer forged steel Melonite barrel and Black finish. It features a billet machined optic-ready Melonite slide Black polymer frame with Picatinny rail aggressive slide serrations and fully ambidextrous controls. The pistol includes tritium/luminescent front sight Tactical Rack U-Dot rear sight two 15 round magazines and a soft case.Key Features9mm Luger chambering with 15+1 capacity.4 in. hammer forged steel barrel with Melonite finish and 1:10 twist.Billet machined Melonite optic-ready slide with Variable Interface System.Black polymer compact frame with Picatinny rail and textured grip surfaces.Serialized Central Operating Group housed in the compact grip module.Tritium/luminescent front sight with Tactical Rack U-Dot rear sight.Includes two 15 round magazines and soft case.Springfield Armory(R) builds modern firearms that blend proven designs with contemporary features for today's shooters. The brand is known for duty-capable handguns and performance-oriented platforms that support optics lights and high-round-count training. Springfield Armory focuses on practical reliability shooter-friendly ergonomics and consistent value across its lineup.