Caliber: 5.7x28mm - Capacity20+1 - Grip Frame High-Performance Glass-Filled Nylon - Barrel Length 4.94 - Overall Length 8.65 - Barrel Material Alloy Steel - Barrel Finish Black Nitride - Front Sight Fiber Optic - Rear Sight Adjustable - Slide Material Alloy Steel - Slide Finish FDE - Weight 24.5 oz. - Slide Width 1.20 - Height 5.60 - Grooves 8 - Twist 1:9 RH - Impressive ergonomics include an easy trigger reach robust slide release and reversible magazine release latch. - Through 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. - Steel magazine provides double stack capacity without unnecessary bulk. - Textured ergonomic frame provides a secure and comfortable grip. - 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. - 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. - Safety features include: Integrated trigger safety; light-weight firing pin; neutrally balanced sear with significant engagement and strong spring tension; and hammer catch to help prevent the hammer from contacting the firing pin unless the trigger is pulled. - Magazine drops free on release for convenient reloading. - Also includes: two steel magazines.