The M&P45 Shield with Thumb Safety features a slim design combined with the proven and trusted features found in the MP SHIELD Pistol Series. At 6.45 inches long, M&P45 Shield is standard with a 3.3 inch stainless-steel barrel. On the left side of the frame, the M&P45 Shield is fitted with familiar operating controls including a simple takedown lever, flat profile slide stop, magazine release and optional thumb safety. For optimum firearm control, the M&P45 Shield is standard with an 18-degree grip angle, aggressive grip texture and front cocking serrations.