The Springfield Armory ECHELON 9mm pistol is a highly advanced semi-automatic firearm designed for both performance and versatility. Its 4.5" barrel provides a solid shooting platform, while its manageable size makes it suitable for everyday carry. The Flat Dark Earth Cerakote-finished polymer frame ensures durability and a sleek appearance. This pistol is available in two magazine capacities: 17 rounds or 20 rounds. Fast shipping ensures that you can get your hands on this firearm quickly. The ECHELON 9mm pistol also comes with a range of accessories, including three 17-round magazines, two 20-round magazines, a Springfield Range Bag, a CTC CT-1500 Red Dot Optic, and a VIS Optic Mounting System. Key Benefits and Features: Manufacturer: Springfield Armory Model/Series: Echelon Caliber: 9mm Luger Capacity: 17, 20 Action: Semi-Auto OAL: 8" Frame Finish: FDE Cerakote Frame Material: Polymer Barrel Length: 4.5" Twist Rate: 1:10" Sights: FS: Lum RS: Tact. Rack U-Dot Weight: 23.9 oz