Caliber/Gauge 9mm - Barrel Length 4 - Action Striker - Front Sight Fixed - Rear Sight Fixed - Color Black - Finish Nitride - Material Polymer - Handed Ambi - We’ve combined our upgraded slide with upgraded internals and developed our own frame optimized for enhanced grip and handling. The slide is machined from 17-4 stainless steel with a Nitride heat treated finish for maximum environmental protection. It also features an optics cut that will fit the Trijicon® RMR footprint and ships with a fiber optic front sight and blacked out rear sight. The frame features a flared magwell contoured grip interchangeable backstraps enhanced mag release extended slide stop extended beaver tail enlarged trigger guard forward thumb ledges and more. Now for the ultimate package we’ve combined them together with our Nitride match grade barrel built them out with upgraded internals and delivered a complete pistol that shooters of all levels will appreciate.