Manufacturer Model Number: 16402 Manufacturer: Ruger Model: Ruger-57 Pistol Caliber: 5.7 x 28mm Type: Semi-Auto Pistol Item Type: Firearm Firearm / Accessory Action: Double Action Only Firearm / Accessory Capacity: 10 + 1 Finish: Black Oxide Sights: FS: Fiber Optic/RS: Adjustable Stock Frame Grips: Polymer Frame Polymer Frame Magazine Quantity and Description: 2 10 rd. Steel Magazines Overall Length: 8.65" Weight: 24.5 oz. Shipping Weight: 3.5 Feature: Visual Inspection Port Feature: Picatinny-Style Accessory Rail Feature: Reversible Magazine Release Optic Adjustable Objective: false Optic Reticle Illuminated: false