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 sights 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 insure reliability and performance. The frame features 25-line per inch checkering on the front strap and both the frame and slide are de-horned for comfortable full-size carry. Like all SIG SAUER products the new 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.