What's in the Box Ruger-57 5.7x28mm Pistol (2) 20 Round Magazines Owner's Manual The Ruger-57 features impressive ergonomics which include an easy trigger reach, 1911-style ambidextrous manual safety, robust slide release, and reversible magazine release latch. Through hardened, billet steel slide with lightning cuts is drilled and tapped for easy mounting of optics. The alloy steel barrel features a nitride treatment for wear resistance, while the textured, ergonomic frame provides a secure and comfortable grip. It utilizes Ruger's safe, reliable, and proven Secure Action fire-control system that combines a protected internal hammer with a bladed-safety trigger. The trigger has a short, smooth pull, clean break, and positive reset. Safety features include 1911-style ambidextrous manual safety; an integrated trigger safety; light-weight firing pin; neutrally balanced sear; and hammer catch. The Ruger-57 also features an inspection port and Picatinny-style accessory rail for easy mounting of lights and lasers. Firearm Features Savage Silver Cerakote Steel Slide Ambidextrous Manual Safety Alloy Steel Barrel Black Polymer Frame and Grips Reversible Magazine Release Accessory Rail Firearm Specifications Manufacturer: Ruger Model: Ruger-57 Caliber: 5.7x28mm Barrel Length: 4.94" Twist Rate: 1:9" Overall Length: 8.65" Finish: Black/Silver Grips: Textured Black Polymer Sights: Fiber Optic Front; Adjustable Rear Magazine Capacity: 20+1