Brand: Springfield ArmoryModel/Series: Echelon Alpha 4.0CCaliber: 9mm LugerCapacity: 15Action: Semi-AutoRecoil System: CaptiveBarrel Length: 4\"Barrel Material: Hammer Forged SteelTwist Rate: 1:10Frame Description: Black Polymer, Small Grip ModuleSlide Description: Billet Machined, Melonite® Finish, Optics-ReadySights: White Dot Front, Tactical Rack U-Dot RearOverall Length: 7.25\"Weight: 24 oz