Features Include: 40 S&W, 3.1" Barrel length, 6.1" Overall length, Thumb safety, Polymer grip & frame, White Dot front sight, White 2-Dot rear sight, Incorporates the design features of the M&P line of firearms, Extremely thin and lightweight, M&P's patented take-down lever and sear deactivation systems allow for disassembly without pulling the trigger, 2 magazines included - one standard, flush fit and one extended finger groove, 18 degree grip angle for natural point of aim, Striker-fired for short consistent trigger pull, Backed by Smith & Wesson's Lifetime Service Policy, Armornite Durable Corrosion Resistant Finish.