The 1911 XO from Sig Sauer is an all-business full-size non-railed 1911 made for those that want a rugged shooting pistol. Outfitted with contrast sight and Ergo Grip XT grips, the 1911 XO features Sig's durable Nitron finish designed for rugged use. The all-stainless steel frame and slide of the XO are machined to exacting tolerances and hand-fitted to ensure reliability and performance. The front strap features 25-line per inch checkering and both the frame and slide are de-horned for comfortable full-size carry. Like all Sig Sauer products, the 1911 XO pistols contain only premium internal parts including a match grade barrel, hammer/sear set, and trigger. For safety, the 1911 XO features a beavertail grip safety with speed bump, extended thumb safety, firing pin safety, and hammer intercept notch and ships in a plastic gun case with cable lock.