Ruger 57 5.7x28mm 4.94in Black Nitride Pistol - 20+1 Rounds - Impressive ergonomics include an easy trigger reach, 1911-style ambidextrous manual safety, robust slide release and reversible magazine release latch. The two included steel magazines provide double stack capacity without unnecessary bulk. Hardened, billet steel slide with lightening cuts is drilled and tapped for easy mounting of optics with separately. Windage and elevation adjustable, serrated rear sight and rapid acquisition fiber optic front sight for fast, accurate shooting. The alloy steel barrel features a black nitride treatment for wear resistance. Textured, ergonomic frame provides a secure and comfortable grip. The Secure Action(TM) fire control combines Ruger's reliable and proven internal hammer with a short, crisp trigger pull and a positive reset. Safe, easy takedown with no tools or trigger pull required. Inspection port allows for visual confirmation of a loaded or empty chamber. Picatinny-style accessory rail for easy mounting of lights and lasers. Magazine drops free on release for convenient reloading. Also includes: two steel magazines.