The Smith & Wesson MP45 Shield is a striker-fired semi-automatic handgun that packs the power and features of the full-sized MP45 into an ultra-compact design. Chambered in .45 ACP it features a corrosion-free polymer frame and stainless steel chassis barrel and slide aggressively textured grip single stack magazine and 3-dot sights. Its available with or without a thumb safety and disassembly can be done without pulling the trigger thanks to a patented take-down lever and sear deactivation system. Thin and lightweight yet dependable the MP45 Shield is an ideal choice for concealed carry as well as home defense. DetailsCaliber .45 AUTO - Action Striker Fire - Capacity 71 and 61 Rounds - Barrel Length 3.3" (8.4 cm) - Front Sight Steel-White Dot - Rear Sight Steel-White Two Dot - Overall Length 6.45 (16.4 cm) - Frame Width .99 (2.5 cm) - Frame with Slide Stop 1.05 (2.6 cm) - Overall Height 4.88 with Flush Magazine (11.9 cm) - Grip Polymer - Weight 20.5 oz. (581.2 g) - Weight Empty Mag 2.2 oz. (62.4 g)-6 Round Magazine - Barrel Material Stainless Steel-Armornite Finish - Slide Material Stainless Steel-Armornite Finish Frame - Material Polymer - Finish Black - Other Features - New aggressive grip texture for MP45 Shield. - Front cocking serrations. - Incorporates the design features of the MP Shield line of firearms. - Extremely thin and lightweight-can be comfortably carried all day. - 18 degree grip angle for natural point of aim. - Striker-fired for short consistent trigger pull every time. - Backed by Smith & Wesson's Lifetime Service Policy. - Armornite Durable Corrosion Resistant Finish.