Welcome to our listing for a Springfield Armory Echelon 4.5F 9mm. This pre-owned full-size striker-fired pistol combines Springfield Armory's modern modular design with an optics-ready slide, aggressive multi-directional serrations, fully ambidextrous controls, and a highly ergonomic polymer grip module. Built around Springfield's removable Central Operating Group chassis, the Echelon was designed as a serious duty-size platform while still offering extensive adaptability. This example includes one 19-round magazine and is being offered without a factory box. CONDITION Pre-Owned - Very Good Overall Condition The pistol presents well overall with normal signs of previous handling and use. The black slide and polymer frame remain in good cosmetic condition, with light wear and handling marks visible in the provided photographs. The grip has a pronounced textured surface for additional purchase, while the sights, controls, slide serrations, and accessory rail all present well. Please review all provided photographs closely for the exact cosmetic condition of the firearm. FEATURES Springfield Armory Echelon 4.5F 9mm Luger chambering Full-size duty-style configuration 4.5 In hammer-forged barrel Striker-fired operation Modular Central Operating Group chassis system Variable Interface System optics-ready slide Direct-mount optic capability Aggressive front and rear slide serrations Multiple slide engagement surfaces Three-dot sight configuration Fully ambidextrous controls Reversible / ambidextrous magazine release system Textured polymer grip module Integrated accessory rail Black Melonite-style slide finish Includes one magazine SPECIFICATIONS Manufacturer: Springfield Armory Model: Echelon 4.5F Caliber: 9mm Luger Barrel Length: 4.5 In Capacity: 19+1 With Included Magazine Action: Striker-Fired Semi-Automatic Finish: Black Frame: Black Polymer Optics Ready: Yes - Variable Interface System Sights: Three-Dot Number of Magazines: 1 INCLUDED 1 - 19-Round Magazine No Factory Box The Springfield Armory Echelon is a modern, modular full-size pistol that stands apart through its removable serialized chassis, innovative direct-mount optics system, highly usable slide geometry, and fully ambidextrous control layout. With its aggressive ergonomics and 19+1 configuration, this example offers a strong, well-equipped setup for anyone looking for a contemporary full-size 9mm platform.