The Springfield Armory Echelon features a durable polymer frame with a black Melonite finish, providing a sleek and corrosion-resistant exterior. The pistol is equipped with fixed sights, including a front sight with luminescent properties and a tactical rack U-dot rear sight for quick and accurate target acquisition. The optics-ready cut allows for easy mounting of your preferred optic.The barrel has a 1-in-10 twist rate, ensuring consistent bullet stabilization for improved accuracy. The Springfield Echelon comes with five magazines: four 17-round magazines and one 20-round magazine, offering ample capacity for various shooting scenarios. The central operating group and VIS optic mounting system enhance the pistol's modularity and customization options.Springfield Armory Echelon SpecificationsManufacturer: Springfield ArmoryFamily: Echelon SeriesModel: EchelonType: Semi-Auto PistolAction: Striker FiredCaliber/Gauge: 9mmFinish: Black MeloniteFinish Type: Applied FinishFrame: Polymer FrameStock/Grips: Black PolymerBarrel Length: 4.5"Overall Length: 8"Rate of Twist: 1-in-10Capacity: 20+1Number of Magazines: 5Magazine Description: 4x 17-round and 1x 20-roundSights: FS: Lum RS: Tact. Rack U-DotSight Type: Fixed SightsOptics Ready CutWeight: 23.9 oz.Shipping Weight: 5.35 lbs.Case: Springfield Range BagAdditional Info: Central Operating Group, VIS Optic Mounting System