ECHELON 9MM BLK 4.5" 20+1 GU EC9459B-U-GU24 Manufacturer Model Number: EC9459B-U-GU24 Manufacturer: Springfield Armory Model: Echelon Caliber: 9mm Type: Semi-Auto Pistol Item Type: Firearm Firearm / Accessory Action: Striker Fired Firearm / Accessory Capacity: 20 + 1 Finish: Black Melonite Sights: FS: Lum RS: Tact. Rack U-Dot Stock Frame Grips: Polymer Frame Black Polymer Polymer Frame Magazine Quantity and Description: 5 4-17 rd. and 1-20 rd. Overall Length: 8" Weight: 23.9 oz. Shipping Weight: 5.35 Feature: Central Operating Group Feature: VIS Optic Mounting System Optic Adjustable Objective: false Optic Reticle Illuminated: false