The Smith & Wesson M&P40 M2.0 Metal Optics-Ready Semi-Auto Pistol replaces the original M&P's polymer frame with a rigid aluminum frame providing a foundation for even greater performance. The aluminum frame provides heft and balance while accommodating all M2.0 magazines, slides, holsters, and palmswells. In every other way, it's the M&P M2.0 you know and love. It features an optics-ready slide and comes with 4 interchangeable grip inserts to find the perfect palmswell fit and trigger-to-backstrap length for each individual shooter's hand. An aggressive texture keeps hand in place, and the original M&P 18 grip angle points instinctively on target. The trigger has a light crisp pull and a tactile and audible reset; and a sear deactivation lever allows the weapon to be disassembled without pulling the trigger first. Stainless steel barrel and optics-ready slide. Tungsten Gray Cerakote finish. No manual thumb safety. The pistol ships with 2 magazines and custom case. Aluminum frame adds heft and balance Optics-ready slide 4 interchangeable palmswell inserts Optimal 18 grip angle Light, crisp trigger with tactile and audible reset Stainless steel barrel No manual thumb safety Tungsten Gray Cerakote finish